WORKPRO 2PCS Steel Bar Clamps Set 6" Quick-Release Bar Clamps 600 Lbs Load Limit

Manufacturer‎WORKPRO. The pads won't squeeze and slide off when you apply pressure to the clamp. Non-marring pads prevent scratching and scuffing to your projects so as to protect them. The dual machined grooves on the back sides of the bars provide superior grip to prevent the arm of the clamp from moving.