Stringing Block Accessories for Sale

Custom Truck One Source carries various accessories and attachments for stringing blocks. Our expansive selection of durable block accessories will enhance your fleet’s capabilities, giving you the versatility to navigate complex project requirements and peculiar spatial constraints. We ship block accessories to facilities and field sites throughout North America, so browse our inventory to find the equipment you need for the task at hand.

Types of Pulley Block Work Accessories

Filling your facility with the right mix of accessories will open your fleet to more job opportunities and help you complete them faster. You can find all the block accessories you need online through Custom Truck One Source. Browse our selection to find hooks, brackets, anchors and other tools that will prepare your fleet for any task. Our accessories include:

  • Grounding devices
  • Hanging accessories
  • Insulator brackets
  • Mounting brackets
  • Non-rotating connectors
  • Pulling eyes
  • Running boards
  • Hooks
  • Pulling anchors

Flexible Financing for Block Accessories

Block accessories will outfit your fleet to expand its capabilities, and our financing options will ensure you can start your growth today. You can benefit from up to 100% financing on all block accessories when you purchase through Custom Truck One Source. We offer fixed monthly payments with low minimums so you can manage your growth. Helping your fleet succeed is our top priority, so browse our block accessories for equipment that fits your needs and budget.

Your Single Source for Blocks, Accessories, and More

At Custom Truck One Source, we make it possible for you to build, maintain and liquidate your fleet in one place. We’re here for you throughout your equipment’s life cycle to ensure you can make the most of your rigging machinery and block accessories.

You can purchase blocks and accessories all at once, then call us for 24/7 support when you need assistance. We have expert technicians ready to guide you through installation and maintenance processes after your purchase. If the problem requires in-person attention, we’ll dispatch a technician to your location as soon as possible. You can also work with us to sell or dispose of any rigging asset.

About Custom Truck One Source

For over 30 years, Custom Truck One Source has been a reliable full-service solution for specialized machinery and accessories. We’ve leveraged our experience, selection and single-source capabilities to help over 3,000 companies take advantage of new opportunities.

Our company has grown to fill more than 37 locations across North America, positioning us to provide timely deliveries to any job site and develop custom solutions for companies in massive industries like forestry, telecommunications, construction, and oil. Work with us to see how we can supply accessories that position your fleet for success.

Browse Custom Truck Stringing Block Accessories

Custom Truck One Source has an extensive selection of block accessories that will expand your fleet’s conductor wire stringing capabilities. Browse our inventory for a single job-specific resource or to fill your headquarters with the equipment you need to be ready for any job. For more on our offerings, services, prices or shipping options, please contact our team online.


CTOS Adapter for Clamp Type Insulator
Equipment Cat-Class ua-1a
Your Price:
  • For clamp-type insulator


CTOS BTTV-RB Transmission 2-3 Conductor Running Board
Equipment Cat-Class bttv-rb-sl-230
Your Price:
  • SWL 30,000 lbs.


CTOS CA-1 Cross Arm Bracket fits 5-3/8” x 6-1/4” Cross Arms 
Equipment Cat-Class ca-1
Your Price:
  • Cross Arm Bracket designed to fit 5-3/8” x 6-1/4” cross arms.
  • Part Number(s): CA-1


CTOS CA-2 Cross Arm Bracket w/ Speed Lock for 1/2” x 5-1/2"
Equipment Cat-Class ca-2
Your Price:
  • Cross Arm Bracket designed to fit 1/2” x 5-1/2” cross arms option
  • Part Number(s): CA-2


CTOS CA-3 Cross Arm Bracket w/ Plate fits up to 6-1/2" x 8"
Equipment Cat-Class ca-3
Your Price:
  • Cross Arm Bracket designed to fit 6-1/2" x 8" cross arms option
  • Part Number(s): CA-3


CTOS CA-4 Cross Arm Bracket w/ Ratchet Strap
Equipment Cat-Class ca-4
Your Price:
  • Cross Arm Bracket with ratchet strap option
  • Part Number(s): CA-4


CTOS Distribution Running Ground
Equipment Cat-Class btgr-4
Your Price:
  • For stringing applications to ground conductors up to 1590MCM
  • Adjustable center roller for appropriate conductor pressure
  • Weight: 10.7 lbs.
  • Part Number(s): BTGR-4


CTOS Heavy Duty Cross Arm Bracket
Equipment Cat-Class ca-5
Your Price:
  • Weight: 1.7 lbs.


CTOS Insulator Adapter Base w/ Handles
Equipment Cat-Class 1a-2a
Your Price:
  • w/ Handles
  • For Tie Top Post Insulator


CTOS Messgenger Wire Ball Adapter
Equipment Cat-Class ba-58
Your Price:
  • Weight: 1.7 lbs.


CTOS Non-Rotating Connector, SWL of 1,800 to 30,000 lbs.
Equipment Cat-Class bn-8
Your Price:
  • SWL from 1,800 to 30,000 lbs.


CTOS Pulling Anchor Rod Eye SWL 6,000 LBS Adjustable 1/2" to 1-1/4"
Equipment Cat-Class bpe-1
Your Price:
  • Rod Size: 1/2”- 1-1/4”
  • SWL: 5,000 LBS
  • Part Number(s): BPE-1


CTOS Running Board for BDB Bundle Blocks SWL 10,000 LBS
Equipment Cat-Class brbdb-3
Your Price:
  • SWL 10,000 LBS
  • Used with BDB series distribution bundle blocks
  • Part Number(s): BRBDB-3


CTOS Socket Mount Ball Hook, SWL 30,000 lbs.
Equipment Cat-Class ur-2bh
Your Price:
  • Socket Mount Oval Eye Ball Hook with a safe working load (SWL) of 30,000 lbs
  • Part Number(s): UR-2BH


CTOS Socket Mount C-Ball Clevis, SWL 30,000 lbs.
Equipment Cat-Class ur-2bc
Your Price:
  • SWL of 30,000 lbs.
  • Meets ANSI Class 52-3 & 5 Standards
  • Part Number(s): UR-2BC


CTOS Socket Mount Oval Eye Ball, SWL 30,000 lbs.
Equipment Cat-Class ur-2boe
Your Price:
  • Socket Mount Oval Eye Ball with a safe working load (SWL) of 30,000 lbs
  • Part Number(s): UR-2BOE


CTOS Socket Mount Safety Ball Hook, SWL 30,000 lbs.
Equipment Cat-Class ur-2bsh
Your Price:
  • Working Load of 30,000 lbs.
  • Meets ANSI Class 52-3 & 5 Standards
  • Part Number(s): UR-2BSH


CTOS Socket Mount Y-Ball Clevis, SWL 30,000 lbs.
Equipment Cat-Class ur-2byc
Your Price:
  • Working Load of 30,000 lbs.
  • Meets ANSI Class 52-3 & 5 Standards
  • Part Number(s): UR-2BYC


CTOS Three Conductor Transmission Running Board
Equipment Cat-Class 2bttvrbsl330sr
Your Price:
  • Transmission 3 Conductor Running Board
  • Part Number(s): 2BTTVRBSL330SR


CTOS Universal Grounding Arm for Fly or Full-Frame Blocks w/ 12” to 35” Sheave
Equipment Cat-Class btgd-1
Your Price:
  • Fits helicopter or full-frame blocks ranging from 12” to 35”
  • Spring-loaded
  • Designed for use with mesh grips and swivel
  • Part Number(s): BTGD-1