A cross between a piton and a passive nut for almost non-existent vertical cracks, the CAMP Iron Hawk can be pounded in or set by hand and it drives deeper as it is weighted. It has a large anvil for hammering and a small lip to help with removal. Specs:- Brand: CAMP Mfg Sku/Part Number: 3037C Weight: 31 g / 1.09 oz Other Features: Fits cracks ranging from 1 mm (0.04 in.) to 3.5 mm (0.14 in.) Chromoly steel