Material: Square Hole Drill Mounting Bracket is made of all-steel casting for durability.
Suitable for bench drills and cordless drills with clamp diameters between 38 and 55mm/1.5 and 2.2 inches.
Note: Square hole drills and electric drills are not included in the product; Dual-purpose support bracket: suitable for bench drills and electric drills.
Bench drill mortise accessory: the mortise converter is easy to install and remove, so you can quickly install or remove it yourself.