【Stainless steel staples】304 stainless steel makes the staples keep the stronger rust & corrosion resistance than galvanized staples, it is suitable for outdoor use. 【Good variety in different 5 sizes】The 5 sizes for 18 GA norrow crown staples ( 1/4 width:1/2 -320 pcs ,3/4 -320 pcs ,1 -320 pcs, 1 1/4 -320 pcs, 1 1/2 -320 pcs), total 1600-count, Per stick:80. 【Fit a variety of brands of 18 GA stapler】 The staples fit most brands of 18 gauge 1/4 norrow crown stapler or staple gun very well. 【Strong penetrability】The T-shaped head and Chisel point design with strong penetrability lets you use staples very easy,and you will have no jams and buckles, and interruptions. 【Wide applications】It is a ideal choice for heavy-duty stapling jobs such as housing insulation & wrap, roofing felt, fence wiring, weather stripping, boarded floor & baseboard assembly, upholstery . UPC 788362979119 ASIN B0BZQ6W3KY Brand SimCos Color silver Size Name 1/2 +3/4 +1 +1-1/4 +1-1/2 --1600pcs Unit Count 1.0 Count Item Weight 0.74 Kilograms Thread Size 1/4 Manufacturer SimCos Fastener Type staple Item Diameter 0.25 Inches Item Dimensions 5.12 x 3.54 x 0.04 inches Number of Pieces 1600 Screw Head Style T-shaped Item Dimensions L x W 5.12 L x 3.54 W Compatible Groove Diameter 0.25 Inches Recommended Uses For Product heavy-duty stapling jobs such as housing insulation & wrap, roofing felt, fence wiring, weather stripping, boarded floor & baseboard assembly, upholstery Compatible Staple Crown Width 0.25 Inches