Product Description Staple Gun Meters Staple gun Features: - Number of staples loaded: 100 pcs - Handle: Safet loop on handle - Material: carbon steel - Used staple size: Standard staple 4-14mm U shaped Staple 10-12mm - It has a durable chrome finish and all-steel construction that allow it to stand up use - A contoured handle provides a comfortable grip - This steel staple gun also features a visual refill window and a jam-proof mechanism for easy use. One-hand operation literally hundreds of do-it-yourself jobs sturdily constructed for extra long life 1.Material:steel 2.Size:4-8mm [5/32''-5/16''] A very handy,versatileand high quality tacker One-hand operation literally hundreds of do-it-yourself jobs sturdity constructed for extra long life. 3.Narrow crown(arrow:T50,rapid 140)