Heavy-duty 6-inch lengthy clamp has an exact most opening of 2.5 inches.Thick spring materials can make sure the product is durable.Spring clip is made of nickel-plated steel, sturdy and anti-rust.The arc of the handle improves the comfort. The non-slip plastic disguise protects the tool surface.Very compatible for carpentry, domestic ornament or business production. Suitable for wood, steel and fabric. Package Included: 1 x Spring ClampNote:No retail package.Transition: 1cm=10mm=0.39inchPlease allow 0-1cm error because of guide measurement. pls ensure you do not mind before you bid.Due to the adaptation between various monitors, the picture won't replicate the particular coloration of the item. Thank you!