Electric Grinder and Electric Drill Universal Rotating Fixed Bracket Vise ShelfMAIN FEATURES It can be used to set up the perfect on sheets of metal for your working,you can use it as counterweights and it gives you a lot more precision when drilling holes through wood or metal. Grinder Holder Opening Distance: 44 58mm Can Clamp The Thickness Of The Object: 45 61mm. This electric drill stand with unique screw rod base makes the stand securely fixed on the table during operation, 360 degree rotation, more easy to use. Ideal for