Holcutter - 7/8 dia .
Blair 14006 Holcutter Hole Saw Set 6 Sizes, 7/8" to 2-1/2"
Blair Tools; Holcutter Arbor And Pin Only
Blair 13224 3/8" Double End Spotweld Cutter in Blister With 2 packs Replacement
Blair 13224 3/8" Double End Spotweld Cutter in Blister With 1 pack Replacement
Blair 11007 Large Rotabroach Arbor for 13/16" to 1-1/2" Cutters
Blair 11132-3 Rotabroach Hole Cutter, 3/4" Diameter, 3/8" x 24 Thread 3 per Pack