Introduction When a maker needs fast blade change with no loss of accuracy, our HRC 58-62 holder delivers. It is made to OEM dimensions for a drop-in fit and offered with custom sizes on request. Basic Info Product name Tipping Knife Holder Model UB-TK-400 Material Alloy tool steel Compatible Models Mk8 / Mk9 / Mk95 Hardness HRC 58-62 Surface Mirror-ground, anti-rust OEM Service Available, custom sizes Packaging Carton + foam Product Features Quick Blade Change: clamp design