Specifications: Toothed rack width: 22mm/0.9'' Die hole diameter: 11mm/0.45'' (M12 screw thread) Bottom plate big round hole diameter (feeding hole): 27mm/1.1'' Drill chuck clamping range: 1.5-13mm (0.06''-0.5'') Max machine pressure( downforce): less or equal to 160kg/353lb Package size: 48cm x 28cm x 28cm (19'' x 11'' x 11'') Shipping weight: 6.7kg/14.8lb Features: - Low operating noise - With labor-saving spring - Safe operation, machine stamping instead of beating prongs with a hammer - With different accessories to achieve multi-function - Quick installation and easy operation - Max 160kg/353lb of pressure (down force) to good stamping effect Applications: This machine is mainly aimed at leather handcraft workers, used for punching, pronging and stamping process, improving efficiency and working quality. Package Included: 1 x Machine 2 x Spanner 1 x Drill Chuck