GRINDER KNIFE #32 – FORGED STEEL grinder knife for most #32 grinders. This is a flat based value knife. Please see the s – stellite, verion knife if you want a longer lasting unit. specifications: tip to tip – 3 1/2″ accross square hole – .578″ hardended d-2 steel flat based knife grinder knife for most #32 grinders. This is a flat based value knife. Please see the s – stellite, verion knife if you want a longer lasting unit. specifications: tip to tip – 3 1/2″ accross square hole – .578″ hardended d-2 steel flat based knife eBay integration by