Metal upholstery stapler 4-14 mm (71052) description: This upholstery stapler is designed for quickly joining various materials such as wood with fabric, cardboard, paper, or leather. It is suitable for upholstery, roofing, decorations, and building decorations. The stapler uses a high-force steel clip to join materials and is compatible with standard rectangular steel staples ranging from 4 to 14 mm in length. It features adjustable spring pressure for customizable impact force. Package contents include one pad stapler and 100 pieces of 8 mm rectangular staples.