Amazon.com: Acekit 3 inch Hole Saw With 3/8 Arbor HSS Bi-Metal Hole Saw Blade And Variable Teeth Pitch For Wood,Plastic Board,Pipe,Plywood,And Soft Metal Sheet (76mm) : Tools & Home Improvement
Hole Saw Kit 22 PCS 3/4"-5" Full Set in Case with Mandrels, Hex Key and Install Plate, Ideal for Soft Wood, PVC Board - Walmart.com
CRAFTSMAN 3-in Bi-Metal Non-Arbored Hole Saw in the Hole Saws & Kits department at Lowes.com
Amazon.com: Koopi 3-1/2" BI-Metal Hole Saw with Arbor and Replacement Pilot Drill Bit, 89mm Diameter Hole Cutter for Easily Drilling Wood, Plastic, Thin Metal(3.5 inch) : Tools & Home Improvement
Milwaukee 1-3/4 in. Hole Dozer Bi-Metal Hole Saw with 3/8 in. Arbor & Pilot Bit 49-56-9666 - The Home Depot