The block's discs/housing and wheels are precision machined from high-strength aluminum alloy, then anodized for durability and corrosion resistance. Bearings and thrust washers are self-lubricating composite. SK99 Dyneema rope shackle with "meat bone" for high strength and easy assembly. The block's discs rotate to open the block and close with a spring-loaded ball lock.
Application options:
· 2:1 drop
· Mast block
· Barbershop and management block
· Spare or replacement block
· Backlight
