ISC Twin Sheave Redirect Pulley Splicing The Omni-Block combines a pulley

The Omni-Block combines a pulley with a swivel and offers tremendous advantages

It has been optimized with a smaller diameter barrel to suit Harrison Rocket 10-12oz Throwbags and instead of being all alloy this has a stronger steel chamber with a plastic barrel making it easier to dismantle for storage

Sheave mounted on self-lubricating bushings

I find the large ring on your harness's bridge to be better than the small

ISC Twin Sheave Redirect Pulley Splicing The Omni-Block combines a pulleyThis twin pulley is ideal for redirects in Doubled Rope climbing systems. ISC lightweight Eiger Pulleys are made from high strength Aluminium and fitted with tamper proof rivets. Compatible with rope diameter (mm): max 13mm (1 2") (MBS) Minimum Breaking Strength (kN): 30 (MBS) Minimum Breaking Strength (lbf): 6744 Wheel material: Aluminium Finish: Anodised