Petzl Sum'Tec Axe Head Type:Hammer 5mm both forward and backward

5mm both forward and backward for a total of 27mm of movement range

Auto-engaging spring pins at the blade/shaft connection make for faster

an ideal length for snow measurements

Oazo Heel Riser Plastic Shim (Single): Replacement plastic locking shim for Oazo heel riser

Please read instructions before use

Petzl Sum'Tec Axe Head Type:Hammer 5mm both forward and backwardModular ice axe for technical mountaineering The SUM'TEC ice axe represents versatility: it adapts easily to any mountaineering activity, from classic to technical. It is completely modular, allowing it to be optimized for the objective. The TRIGREST handrest, adjustable without tools, and the compatibility of the ice axe with most Petzl accessories (PUR'ICE and DRY picks, MASSELOTTES) ensure the efficiency required for difficult sections.