Petzl - Knee Ascent's Type (Details Below):KNEE ASCENT CLIP Lower Strap Includes 1/4-Inch and 5/16-Inch nut

Includes 1/4-Inch and 5/16-Inch nut drivers

Body Material: Proprietary Polypropylene Blend

Features two retaining straps with buckles for a secure closure plus stitched and riveted leather handles for comfort and strength

This Star Dropper Hammer from Klein Tools is designed for driving in star

Petzl - Knee Ascent's Type (Details Below):KNEE ASCENT CLIP Lower Strap Includes 1/4-Inch and 5/16-Inch nutKNEE ASCENT LOOP Description Facilitates ascents on a single rope: upper strap is connected to the mechanical Prusik to allow the ZIGZAG or ZIGZAG PLUS and CHICANE unit to be raised CROLL L rope clamp is integrated, for a comfortable ascent in conjunction with a PANTIN foot mounted rope clamp (not included) lower Dyneema strap with foot loop for optimal foot positioning Easy to install and remove: easy to put in place, thanks to connectors and