5/8in ISC Medium Cast Block Blue Micro White core within the black

White core within the black and orange suspension bridge makes wear readily visible at a glance

Non-rust manganese bronze 225 snap is 4-1/4" long

weight: 70 g

depending on the intended type of use: as a swinging element in a double leg configuration

5/8in ISC Medium Cast Block Blue Micro White core within the blackThe medium version is now manufactured using Hot Forged Technology, combined with high quality materials and components. These blocks are rope friendly, durable and extremely robust. These features combined give maximum security and strength, when the block is rigged as part of an impact system. Apart from the aesthetically pleasing curves, the ISC impact pulley is designed to work (together with textiles) to absorb the huge forces which are created