Spark Duty™ 400P 400CS Hi Vis C Clamp, Sliding Pin, 4 1 8 in Throat Depth, Gray, 0 in to 6 1 16 in Opening ORS NASCO Natural cotton canvas keeps hands Natural cotton canvas keeps hands cool and protected Knit wrist helps prevent dirt and debris from entering glove Clute cut provides a roomy fit Straight thumb increases comfort in closed fisted work PVC dot grip on palm professional grade construction will not rust Manufactured with drop forged steel for greater strength in standard applications V grooved anvil feature allows secure holding of all materials including rounds and flats Acme rolled spindle threads provide continuous smooth operation for faster clamping action and maximum strength Spindles and Perma Pads® are copper plated to provide resistance to welding spatter and corrosion Ideal for industrial welders and steel fabrication