Smooth rotation due to the sheave being mounted with self-lubricating bushing that is efficient for transporting heavy loads. Most seen its functions in haul systems, tending hitches in climbing techniques. Also as an efficient general-purpose pulley for daily use, DIY pulley rope fitness home gym, suspending your bike in the garage, tensioning system for you slackline, and more. Prusik Minding! The pulley is designed to be with flat bottom to side plates, which makes a PMP (prusik minding pulley) to be integrated into the progress capture on the haul system, and prevent brake hitches to be sucked into the pulley, for a more efficient haul. Palm-size pulley in lightweight of 3.7 oz. The micro pulley is easy to use with only one hand. Mobile side plates rotate freely around the axle and it's convenient to install the pulley anywhere on the rope. The pulley accommodates carabiners of most shapes since side plates are curved to stay fully close against each other on the top. Quality-made climbing pulley, with 20kN breaking strength [5kN higher than required 15kN by CE and UIAA], to build up efficient pulley mechanical advantage systems: haul your partner out of the crevasse - personal rescue, rig gears or heavy loads when mountaineering, pull out a stranded car/ boat, haul food and stuffs out of reach when camping - bear rigging. GM CLIMBING Micro Prusik Minding Pulley (PMP), rated at 20kN/4500lbs MBS, both CE and UIAA certified, compatible with ropes up to 1/2 in / 13mm. Function pulley installed on ropes and clipped to tend hitch slacks in Ddrt climbing or work-positioning. A day-to-day use pulley in riggings, integrated with prusik hitches to build progress capture on haul system, making efficient redirects in bear rigging, home pulling exercise devices, and more to explore.