5/8in ISC Medium Cast Block Blue ADJUSTABLE allows for a perfect spot

allows for a perfect spot to anchor a 'Sternal' anchoring device (carabiner

EN 1731 / ANSI Z87

• Powered by 3 AAA batteries (included)

The lightweight OK carabiner is made of aluminum

These adaptors will allow you to attach the KASK Zenith Visor to the Zenith helmet line

5/8in ISC Medium Cast Block Blue ADJUSTABLE allows for a perfect spotThe 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