Every AllEquipped journal post on Technical Rescue — 6 write-ups on the gear, the standards behind it and what the labels actually mean.
The ISC D4 is rated to 240 kg with two people on it. Its sibling, the D4PRO, is the same device with the panic brake deleted — and professionals buy it on purpose. Here's what each certification actually covers.
Wet nylon loses about 10–15% of its tensile strength and up to 70% of its dynamic fall capacity. Those aren't the same claim. Sterling's HTP Static is built entirely from the fiber that sidesteps the problem.
Five brands we rate, the product each is known for, and the single specification that explains why. If you only remember one number per device, make it these.
CMC's Multi-Purpose Device collapsed a pulley, a belay and a descent control device into one unit — and in doing so helped change how rescue teams rig. Not everyone thinks that change was an improvement.
Every Omni-Block takes the same 13 mm rope, but the sheaves range from 1.1 to 2.6 inches. Which one you clip in is a choice about efficiency and rope life, not just about what's light enough to carry.
Lay the three kits on a bench and they look identical. They aren't. What separates the disciplines, the standards that govern each, and which of the brands we rate belongs in which box.
