Eclipse Quick Release Woodworking Vise, Gray Cast Iron, 9" Size Quick release trigger allows you to quickly adjust the opening to either release or clamp a piece youre working on Fitted with an adjustable front stop (dog) to provide a normal vise and a tail vise in one tool Vise comes with two predrilled holes for quick sturdy mounting to your workbench To increase safety, the fused tommy bar will bend before the vise can become over-stressed 9" jaw width, 4" throat depth; 34.2 lb. net weight; Voted #1 Woodworking Vise as seen on Wiki Video