True to our commitment to DIYers, this hammer loop is the very same used on our HammerMaster hammer holder. It's custom forged for Holstery from 304 stainless steel, so you won't find it anywhere else but here.If you're looking to add a low-profile hammer loop to your leather or kydex project, you won't find a better one than ours.1.25" hole spacing left-right1.00" hole spacing up-down0.16" hole diameter