Tacwise A54 Hammer Staple Tacker Heavy Duty 1173 12mm All steel "slap" hammer fires popular 140 series staples up to 12mm. Rapid, lightweight hammer tacker, ideal for all day use. Built for the flooring and roofing industries to perform applications such as fixing carpet, underlay, insulation, plastic sheeting and securing roofing felt. Compatibility 0345140/6mmGalvanised - 2000 Pack 0340140/6mmGalvanised - 5000 Pack 0346140/8mmGalvanised - 2000 Pack 1216140/8mmStainless Steel - 2000 Pack 0341140/8mmGalvanised - 5000 Pack 0347140/10mmGalvanised - 2000 Pack 1217140/10mmStainless Steel - 2000 Pack 0342140/10mmGalvanised - 5000 Pack 0348140/12mmGalvanised - 2000 Pack 1220140/12mmStainless Steel - 2000 Pack 0343140/12mmGalvanised - 5000 Pack 1308140/8-12mmStainless Steel -.