The Simpson Heavy Duty Twisted Strap 600mm (Twist 150) is a high-strength restraint strap designed for lateral support in timber-to-masonry connections. Manufactured from 4mm thick pre-galvanised mild steel, it features a 150mm twist section and multiple 6mm fixing holes for secure anchorage. Ideal for roofing and flooring applications, this strap complies with BS 5268 Part 3 and provides reliable horizontal restraint without the need for notching. Its twisted design allows for easy alignment between vertical masonry and horizontal timber members.