Wilton Classic 400 Series Hi-Vis Safety C-Clamps are ideal for steel fabrication, industrial maintenance, and repair operations. Each drop forged C-Clamp conforms to OSHA safety color standards for physical hazards regulation# 1910.144 and features an ACME rolled spindle with Black Oxide Coating and replaceable Perma-Pads® and a v-grooved anvil for secure holding of all materials.