The Φ178×76 Crossarm Mounted Stringing Block is a durable overhead line pulley designed for transmission line construction and maintenance. Mounted directly on crossarms, this stringing block ensures smooth conductor movement during cable installation, reducing friction and preventing conductor damage.
Ideal for power utilities and line contractors, it provides reliable support for medium- to high-voltage overhead cables, enhancing efficiency and safety during stringing operations.
Precision Φ178×76 Wheel
Ensures stable and smooth conductor movement with minimal friction.
Heavy-Duty Steel Frame
Provides robust support for high-voltage overhead lines.
Crossarm Mounting Design
Easy installation on standard transmission line crossarms.
Anti-Corrosion and Weather-Resistant
Suitable for outdoor utility construction and harsh environments.
Smooth Rotating Pulley
Protects cable insulation and reduces mechanical stress during stringing.
Compatible with Standard Line Accessories
Works seamlessly with cable grips, rollers, and other stringing tools.
Optimized for overhead line stringing and transmission projects
Reduces conductor wear and cable tension during installation
Heavy-duty design ensures long-term reliability and low maintenance
Easy to mount and adjust on crossarms for different tower structures
Suitable for medium- to high-voltage overhead lines
Improves operational safety during stringing
Reduces installation time and labor requirements
Protects conductors from damage due to friction and bending
Durable construction for harsh outdoor environments
Compatible with various cable types including bundled and single conductors
Overhead transmission line stringing and maintenance
Medium- to high-voltage power cable installation
Substation and distribution line projects
Conductor support for tower crossarms
Integration with cable grips and pulling equipment
Data Sheet
Performance Transmission Line Tools Crossarm Mounted Stringing Block
| Model | Rated load | Sheave dimensions | Weight | Caliper crossarm width | Caliper Height | Caliper weight |
| kN | mm | kg | mm | mm | kg | |
| CSB | 10 | Φ178*76 | 4.3 | 99-175 | 95-159 | 1.6 |


Yes, wheel diameter and width can be customized according to project requirements.
It supports both single and bundled conductors for medium- and high-voltage lines.
Yes, it is corrosion-resistant and weatherproof, designed for long-term outdoor installation.
Yes, working load can be customized and is suitable for medium- to high-voltage overhead lines.
Absolutely. It works with standard cable grips, rollers, and other stringing accessories.