ISC D4 PRO Industrial Descender Brand_Masters Different alloy is used for

Different alloy is used for each size - smaller Wallnuts are made from a harder alloy to prevent shearing

For technical hiking

but the actual item is black

softer side against the body (a

ISC D4 PRO Industrial Descender Brand_Masters Different alloy is used forThe standard D4TM Work Rescue Descender (RP880) has proven to be a popular Descender amongst Rope Access & Rescue users, all over the world. Many users value the extra peace of mind of having a panic brake function. Feedback gathered from highly qualified and experienced 'Pro' users highlighted a demand for a device which does not incorporate a panic brake function. Enter the D4PRO! The D4PRO Descender is the same great Work Rescue Descender, but