ISC 3/4" Medium Aluminum Rigging Block z019 the Catalyst features custom EVA

the Catalyst features custom EVA molded back and leg panels with integrated ventilation channels

spaced about 4" apart Recommended Use Redirect

designed for effortless one-hand access to gear while maintaining shape under load

Robust against environmental elements

ISC 3/4" Medium Aluminum Rigging Block z019 the Catalyst features custom EVAThe small and medium versions are 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