Heavy duty flat wire staples 10J galvanized for staple guns, hammer tackers, air and electric guns. Compatible with Silver Line 3-in-1 stapling gun (101332) and Silver Line stapler (86855) with 20 ga wide crown. Also compatible with WZEN20 working zone, Power Fix PROFI Z16531 and all 20ga 7/16 staplers. Dimensions: 20ga (11.2 Plus or minus 0.1) x 1) .17 Plus or minus 0.02 x (0.62 plus or minus 0.01) 0.92 mm wire.