H1630-High Quality Miniature Blade Handle. Stainless with round body and chuck. This scalpel knife is excellent for fine cutting in model making, graphic arts, craft and lab work. Stainless steel handle holds interchangeable blades made of surgical grade steel. Recommend for any large and fine sized blades. (X-ACTO blades, JLC blades, Scalpel knife's and Micro mini drill bits - 0.10 to 0.15)