“Oops” Hole Saw Arbor

Now it’s as easy as 1-2-3 to enlarge a hole: 1) Place the original hole saw on the "Oops" arbor for use as a pilot; 2) put the larger hole saw on the original arbor and remove the center drill bit; 3) put the shank of the “Oops” arbor in place of the center drill bit.

• Requires at least 3/16" difference in diameters between the two hole saws.
• Fits A1, A2 and A10 hole saw arbors.
• Measures 1-5/8" length x 3/4" dia. x 3/4".
• Hardened steel.
• Can be used with arbor #90301.