Their extra sharp points assist with quick insertion. Used for fastening trunking, cabling and timber formwork in masonry applications. AB 36-38 & 55-56, BT (all), FK 17-21, HS (all), IM (all), IV (all), KA 27-28, KW (all), PA 20-99, PH 15-99, ZE (all), Channel Islands.
