IRWIN 11SP® ORIGINAL LOCKING CLAMP WITH SWIVEL PADS 11 IN. (275 MM)The IRWIN Tools 20- 11SP® Original 11"/275 mm Locking Clamp with Swivel Pads have jaws that open up to 4 inches and a 2-5/8-inch throat depth for bigger jobs. Their leveling swivel pads protect material from damage, and these clamps have an easy locking and release action for added convenience. Construction from high-grade heat-treated alloy steel maximizes toughness and durability, and the screws stay in place for repetitive use of the clamps at the same setting. These clamps come with a full lifetime warranty. | Wide-opening jaws provide greater versatility in clamping a variety of shapes | Swivel pads hold tapered work, awkward fabricating jobs, and delicate projects without damaging the work surface | Turn screw to adjust pressure and fit work. Stays adjusted for repetitive use | Constructed of high-grade heat-treated alloy steel for maximum toughness and durability | Guarded release trigger quickly unlocks and protects from accidental release