Commodity composition: Package includes 2 stainless steel C clamp, suitable for general clamping needs. Dimension: Length 38mm/1.5 inches, width 30mm/1.2 inches, opening is about 65mm/2.6 inches,stainless steel clamps can clamp thickness 23-60mm/0.91-2.4 inch Easy to use: Woodworking clamps have M10 threaded holes with adjustable positioning screws, which can be easily clamped on any flat surface Strength: The heavy designed clamp can ensure that clamped object will not deform easily. Wide application:Heavy-duty C clamps are suitable for assembly, fastening, bonding and welding in metal processing and automotive applications. QWORK