Screw size is 1 3/16" diameter x 15 1/2" long. You may return the product within 30 days of receipt. All of our pictures are photos of actual items. Colors or packaging of items delivered may vary from those photographed. The item "CABINET MAKERS WOOD WOODWORKER'S VISE FOR WOODEN WORKBENCH ATTACHMENT TOOL KIT" is in sale since Wednesday, July 2, 2014.This item is in the category "Home & Garden\Tools & Workshop Equipment\Hand Tools\Clamps & Vises". The seller is "j-rqualitytools2011" and is located in Vancouver, Washington. This item can be shipped worldwide.