Description: Material: carbon steel. With gasket seals. High-quality professional adapter, durable and strong. Allow any SDS plus drill, with the largest in SDS hammer drill. Fits All Standard SDS Plus Drills. Specification: Length: about 22.5cm/8.86inch Inner circle diameter: about 1cm/0.39inch Outer diameter: about 2.5cm/0.98inch Package Includes: 1 Piece Adaptor Converter
