Compatibility 3-Way Staples: Stapler compatible with door staples 4-14mm in length (Type 53, JT21 TR45), U-staples 10-12mm (Type 91) and T-staples 10-14mm 14 mm. Stapler with 3000 staples: complete with 1000 staples, 1000 cable staples and 1000 Brad nails Pressure adjustment: adjust the pressure according to the thickness of the material you are stapling. Best for: Yeuri Stapler for wood, insulation, carpentry and upholstery, upholstering furniture, decorating, repairing blinds, repairing chairs, applying fabric to walls, create tables and fix the plywood. How to open the stapler Step 1: Remove the silver part at the bottom of the stapler by pushing it down, pull out the stapler drawer. Step 2: Insert appropriate staples into the stapler. Important: Nails or small staples must be inserted from the correct side, otherwise the drawer cannot be inserted correctly. Step 3: Then push the drawer back into the stapler until it clicks into place. Adjusting the impact force Using the rotating disc on the handle, you You can adjust the force used to drive the staple into the surface. If you turn the rotary disc clockwise, the striking force will be increased. Package List 1 x Stapler 1000 x Door-shaped staples (8mm) 1000 x U-shaped staples (12mm) 1000 x T-shaped nails (10mm) Pay attention, this stapler has a staple width requirement: U-shaped staple width (10-12mm), Door staple width (4 -14mm), 18 Gauge staple width (10-14mm).