Product Info Catalog Tools Power Drill, Bits & Accessories 3/4-Inch to 1-1/8-Inch Hole Saw Mandrel 3/4-Inch to 1-1/8-Inch Hole Saw Mandrel Request a Quote UPC: 52088049235 SKU: 140803 Model Number: 140803 Master Mechanic, Carbon Hole Saw Mandrel, Fits 3/4" - 1-1/8" Hole Saws.