Water Bottle Boss Jig

Centers your drill on the tube and provides accurate 2-1/2” hole spacing. Works with tube diameters from ¾” to 2”. CNC machined of aluminum and steel, with hardened steel ¼” drill bushings for a lifetime of use. Hint on using: after the first hole is drilled, insert a ¼” drill bit or rod in the first hole while the second is being drilled.