The D4 WorkRescue Descender features a unique and innovative cam action which offers precise control at slow or fast speeds The progressive cam works by way of one cam operating inside another cam The D4 is the only ANSI certified descender on the market today Features. For use with single ropes from 105 115mm 716Specifications. Certifications CE EN12841 NFPA 1983 ANSI Z359. Strength MBS 16kN 3597lbf. Working Load Rating WLL 240kg 551lbs. Weight 655g 23oz

• For use with single ropes from 10.5 - 11.5mm \ 7/16Specifications
• Certifications: CE EN12841, NFPA 1983, ANSI Z359
• Strength: MBS 16kN (3597lbf)
• Working Load Rating WLL: 240kg \ 551lbs
• Weight: 655g \ 23oz

For use with single ropes from 10.5 - 11.5mm \ 7/16SpecificationsISC