The Dormer B100 HSS Straight Shank Hand Reamer Metric is a precision tool designed for high-quality reaming in various materials. Made from high-speed steel, this hand reamer ensures excellent durability and cutting performance, providing smooth and accurate finishes every time. Features & Benefits: High speed steel construction for superior durability and wear resistance, DIN206, Straight shank design for secure handling and easy control, H7 tolerance, Right hand rotation/cutting, Steam tempered. Specifications: Diameter: 11mm, Overall Length: 142mm.