From Forgefix
Features/Benefits Multi-purpose fixing that can be used for connecting roof timbers, joist trimmings, studding and general timber frame construction. Slotted design allows bending on site to suit all configurations. Manufactured from 1.2mm thick galvanised steel. Safe working load 3.5kN per pair when using BPC Sheradised Square Twisted Nails 30 x 3.75mm.