These reusable tool is fully autoclavable and easy to sterilize. Resists all wear and tear that comes along in a lab environment. Equally suitable for both right or left hand users. Made from premium grade stainless steel for durability, long life span, and anti corrosion properties. This reusable plaster knife stays sturdy when working with gels, pastes or granulated material. These are paired with wood, the knife's blade size and shape is used in numerous dental lab procedures. Suitable for impression trimming, wax contouring, and clay modelling.