The D4 has a rated load of 240kg (529lb), making it a true Work/ Rescue Descenders. It is not necessary to build in additional friction to achieve these loads, although it can be useful to do so, for an even higher degree of control in Belay applications. The minimum user weight for these devices is 60kg (132lb).
|Compatible with rope diameter (mm)||10.5-11.5mm (7/16″)|
|Number of persons||2|
|(WLL) Working Load Limit (kg)||240|
|(WLL) Working Load Limit (lbs)||529|
|ANSI compliant version||As standard|
|Serial numbering||As standard|
|Cam material||Stainless Steel|