The Wolfcraft Right Angle Clamp is a durable aluminum tool that is very effective for making cabinets or box-frames, and functions as a third hand for the every handyman. It s useful function of an assembly aid helps in the alignment and clamping of parts for nailing, welding, and screwing. The clamp s ergonomic handles and quick-release mechanism allow for easy adjustments, while the 2-1/2-inch jaw capacity handles most clamping jobs. A 3-inch clamp face with V-groove design is also included to hold round materials. Other features include a clamping device for 90-degree corner joints, and a saw guide for 45-degree mitre cuts and work bench vice. This product comes with a 5-year limited manufacturer s warranty.