Rapid clamp. 1) Size:70X105X3mm,75x110x4mm,75x110x3mm. 2)Material: Q235 and 65Mn spring. 3)Thickness:3mm and 4mm. Rapid clamp:1) Size:70X105X3mm,75x110x4mm,75x110x3mm.2)Material: Q235 and 65Mn spring.3)Thickness:3mm and 4mm.4)Surface: Zinc plated or painted.