PRODUCT FEATURES 1.High carbon steel forging, surface sanding design, overall heat treatment, high hardness, and large torque 2. Movable clamping seat, powerful clamping, high-quality steel stamping forming, the clamping object does not deform 3. Fine-tuning screw technology, thick screw rod design, adjustable handle strut before and after the distance 4. Each joint is fixed with reinforced rivets, which is firm and durable. 5.Ergonomic design, quick release handle, the clamping is firm and easy to loosen when needed THE SPECS: Pack of 2 - 18" C Clamps Durable High-Grade Steel Comfort Easy Grip Handles Adjustment Knob 8 inch Jaw Capacity (200mm) Handles Work Pieces up to 6-1/4 Inches (160mm)