120& 150 mm Clamps Set: The set contains 2PC 120 mm bar clamps and 2PC 150 mm” bar clamps. 120 mm CLAMP (120 mm for clamps/ 200 mm for spread); 150 mm CLAMP: Max Jaw Capacity (150 mm for clamps/ 270 mm for spread) Clamp & Spreader: The quick-change button design allows the f clamp to be a spreader as well. Just press the red button to take the jaw off and then reverse it before putting it back in, suitable for 150 mm wood clamps Powerful Clamping Force: 2 sizes with 23 kg / 68 kg of squeezing force and a metal ratcheting mechanism, WORKPRO bar clamp offers a decent choice for woodworking or other household repairs. Its lightweight, yet sturdy, and is capable of holding pressure for extended periods Solid Construction: Reinforced nylon body and high-quality hardened steel bars provide great impact resistance, which is totally able to withstand the extensive woodworking work Eye for Details: Non-marring removable and replaceable pads feature flexible material and non-slip texture, which enhances the overall clamping force. Quick-release latch allows you to adjust and lock the wood clamps simply and quickly