RELIABILT cabinet hardware jig allows easy installation guide and includes three steel 5mm (3/16-in) bushings to create accurate, straight holes and designed to be durable and long-lasting . Reversible design allows you to transfer drilling guide jig from left door to right with a simple flip, keeping hardware position locked in . Adjustable sliding stops lock in place to align the drill guide and repeat drilling on multiple pieces . Contains metric + imperial double sizes.. Works on any cabinet door stile and rails including shaker doors & recessed drawer fronts.. The product size is 16-in x 12-in, please confirm your cabinet/door size before purchasing. Compact and portable design makes it convenient to carry and use on-site or in workshops. Built-in ruler provides precise measurements for consistent hole spacing and alignment