Applications: This machine is mainly aimed at leather handcraft workers, used for punching, pronging and stamping process, improving efficiency and working quality. Features: 1. Low operating noise 2. With labor-saving spring 3. Safe operation, machine stamping instead of beating prongs with a hammer 3. With different accessories to achieve multi-function 4. Quick installation and easy operation 5. Max 160Kg/353Lb of pressure (down force) to good stamping effect Specification: Toothed rack width: 22mm Die hole diameter: 11mm (M12 screw thread) Bottom plate big round hole diameter (feeding hole): 27mm Drill chuck clamping range: 1.5-13mm Machine pillar lifting height: 0-16CM/0-6.3IN Detachable scale bottom plate: 13*15CM /5.1*5.9IN 1. Installing the drill chuck 2. loosen the screw counterclockwise to adjust the height Package: A: Standard Version 1*Machine 2*Spanner 1*Drill chuck B: Increased Version 1*Machine 2*Spanner 1*Drill chuck 1*PP plate 1*Aluminum plate with scale C: Premium Version 1 x Machine 1 x Drill chuck 2 x Spanner 1 x Manual 1 x PP plate 4PC Leather prong punch (1tooth+2tooth+4tooth+6tooth) 7PC Circular punch (1.5mm+2mm+2.5mm+3mm+3.5mm+4mm+4.5mm+6mm) D: Cost-Effective Version 1 x Machine 1 x PP plate 1 x Aluminium Plate 1 x Scale Plate 1 x Manual