The Rock Exotica rockGrab RG4-90 is a 90° rope grab for 13.5-16 mm (1/2"-5/8") kernmantle rope, used for horizontal positioning, not vertical ascent. CNC-machined anodized aluminum with a stainless axle; stays on the rope and needs a tool to remove. It can't be adjusted under tension.

Inspect before each use and follow the manufacturer's instructions and rated limits.