Product description： This is a new type of adjustable aluminum drill floor, perfect for shops or homes. This plug-in rig is ideal for keeping the drill bit stable and more accurate than hand-held operation during use. (The specific deviation has a great relationship with the concentricity of second-hand electric drills and personal operating techniques.) Electric drills have higher concentricity and less vibration, which can reduce deviations. With a drilling depth of up to 60 mm, it has a sturdy column, a sturdy base, and a slot for vise. Working parameters of the bracket: ◆Shaft: 400mm ◆Clamping: 38-42mm ◆Single stroke: 0-60mm ◆Substrate: Aluminum alloy ◆Weight: 1.5KG ◆Parameters of flat pliers:Dedicated to electric drill stand ◆Shape: flat mouth ◆Material: Iron-nickel alloy.