Here's what other sites are saying:
The redesigned Petzl Rescucender Rope Grab installs quickly on a rope and is easy to use. The openable, cam-loaded rope clamp is built for use in haul systems as a tractor or progress-capture device.
Get to climbing! This rope clamp will keep you protected when you are trying to reach your new heights. Weight: 250 g. Certification(s): CE EN 567. Rope compatibility: 9 to 13 mm.
The MICROCENDER Rope clamp/grab a smaller version with the exact same features as the Rescucender.
Free Shipping. Petzl Rescucender Rope Grab FEATURES of the Petzl Rescucender Rope Grab Openable cam allows installation or removal of the rope clamp at any point on the rope Independent safety catches on each side of the device allow easy opening while reducing the risk of accidental opening Cam integrated into frame of device to facilitate handling Large attachment hole to facilitate carabiner rotation Integrated cam spring helps avoid accidental snagging and increases durability