Stanley 0-83-033 Max Steel C-Clamp High visibility, corrosion resistant finish Advanced frame design resists flexing and bending Heavy duty, malleable iron and steel construction Roll-formed screw threads ensure smooth operation and durability Over-sized T handle for extra torque. SPECIFICATIONS: Part No.: 83-033K Length in mm: 75mm X 57mm Length in inches: 3" x 21/14". APPLICATIONS: Fastening Applications.