ISC Wales
D4 Descender 10.5mm – 11.5mm NFPA ANSI ISC
D4 Work Rescue Descender  RP880 by ISC for 10.5 - 11.5mm Rope
EN12841, ANSI Z359, NFPA 1983- meets the requirements of EN341
5kN Slip load
Max User Weight > 240kg (500lbs)
Safe for 2 Person Loads With no fristion point
D4 Descender Black 10.5mm – 11.5mm NFPA ANSI ISC
D4 Work Rescue Descender  Black RP880B1 by ISC for 10.5 - 11.5mm Rope
EN12841, ANSI Z359, NFPA 1983- meets the requirements of EN341
5kN Slip load
Max User Weight > 240kg (500lbs)
Safe for 2 Person Loads With no fristion point
D5 Descender 11.5mm – 13mm NFPA ANSI ISC
The D5 Descender has been designed for use on 1/2" (12.7mm) rope. The D5 is EN12841:2006/C and is compliant with NFPA G and ANSI Z359.4:2013 and developed for the North American Fire & Rescue and Tower Climbing markets, which typically use 1/2" ropes.