Heavy Duty Gallows Bracket with 2 x block clamps and 1 x profile clamp - clamp to either 100mm or 140mm blockwork to secure the gallows Dimensions: 550mm x 350mm Material: 1"x1"x1.5mm zinc plated mild steel for superior corrosion resistance Designed and manufactured in Britain using the highest quality materials, our range of bricklaying tools are made to last.