The Quick Release SG Iron Steel Woodworking Vice by Oltre is made from strong, hardened Spheroid Graphite Iron for heavy-duty use and comes with a lifetime warranty. Its quick-release feature lets you open and close the jaws fast, saving time. The adjustable peg holds long pieces securely, perfect for woodworking tasks. Designed for professionals, it includes a solid steel lift dog, lift pin, and rapid action lever for easy adjustments.