This rope grab from Petzl is designed for use on 1/2" ropes. The cam-loaded rope clamp can be permanantly installed on a rope, and has a bolted axle that prevents the device accidentally coming off the rope. FREE SHIPPINGFREE SHIPPING

Petzl's Rescucender is an ergonomically designed and simple-to-use progress capture device with an openable cam-loaded design. The openable cam means you can attach the Rescucender at any point on your line at any time, and the simple catch is color coded to show when the cam is safely locked.