Tacwise 91 Series Galvanised Narrow Crown Divergent Point Staples are ideal for subflooring hardwood. Divergent point staples twist as they enter the timber, creating greater staple retention. Suitable for 191EL/S Pro Stapler/Nailer, Tacwise 35 Duo Nailer/Stapler, Tacwise 50 Duo Nailer/Stapler, Ranger 40 Duo and other major brands in the market within their range capacities.