[No need for air compressor] This cardboard closure does not need to be operated with air compressor, it is easy to move and work anywhere .[ Light and easy use] Magnesium is made of magnesium body to keep it light and durable. There is no difficulty in use and increase your efficiency .[ Works for cartons of different thickness] The setting rod allows you to adjust the sinking of staples according to the cardboard thickness. 'D' for deep and 's' for shallow. Turn the bar between them to meet your needs .[ Ingredient repulsive and staple pulling] is for automatic feeding. Staple attractive is to easily remove the staples. Helps you to close and reuse cardboard .[ 16-measured cardboard staples last] Staple crown: 1-3/8 (34.7 mm), staple leg length: 3/4 (18 mm). Staple comes with 2 lane staples .[ Applications] Suitable for special applications, including all kinds of sealing boxes, cardboard, closed corrugated cardboard, folding boxes, full overlap and more .[ What do you get] HB3518 Manual Cardboard Closing Staple X 1 Piece; Staple pusher x 1 piece; Staple Period X 1 Piece; Tool set x 1 bag; Instructions for use x 1 pcs; Staple x 2 lane