Stringing Blocks
Sheaves
Blocks are available with the following sheaves
Polish Aluminum (AL)
- Accommodates a Wide Variety of Applications in Transmission, Distribution and Telecom
Ductile Iron (DI)
- Heavy Duty Applications
- Old Conductor Removal
Urethane Lined (UL)
- Wear-Resistance
- Proprietary UV-Resistant Lining

7” Universal Block
3 Styles Offered
- UB1A: Spring-Loaded Latch
- UB1B: Twist Latch
- UB1C: Detent Pin
- All styles available with grounding
stud - All styles available with Aluminum,
Ductile or Urethane Lined sheave - Easily mounted on the cross arm or
suspended with socket fitting

Single Conductor
Urethane Lined Full
Frame Block
- Available Sizes: 12, 16, 22, 28, 35 & 42”
- Push Pull Pin for Manual Operation
- Available with Grounding Arm
- Available with Aluminum Sheave –
Sizes 16, 22, 28 & 35”

Single Conductor Urethane
Lined Helicopter Block
- Available Sizes: 10, 12, 16, 22, 28, 35, 42 & 46”
- Spring-Loaded gate
- Hi-Vis Orange Fly Arm
- Available with Grounding Arm
- Available with Aluminum Sheave –
sizes: 16, 22, 28 & 35” - Optional Block Stand Available –
sizes: 16, 22 & 28”

2-3 Conductor Slim Line
Bundle Block
- Available Sizes: 28, 32, 35 & 42″
- All Sheaves Urethane Lined
- Available with Grounding Arm
- Helicopter Assembly Optional
- Header Bar Optional