1.52 (4 cm) functional part;Dental mallet;Made By Wittex Germany - Continuous Corrosion Resistant Special German High Carbon Instrument Steel Alloy;Suitable for all current disinfection and sterilization procedures. -High metal wear resistance and suitable for steam sterilization max. 273.2 ?F (134?C) (Autoclave);Superior surgical steel instruments by WITTEX GERMANY - Precise machine work for shape, thickness and balance - More durable than most instruments and lasts longerWittex