CMT 550-068X Multi-Purpose TCT Hole Saw 2-11/16" (68mm) Profile Knives & Limiters medium (3/32"-1/4") and thick (3/16"-7/16")

medium (3/32"-1/4") and thick (3/16"-7/16") aluminum metals

What are the key dimensions of this hanger

060 is a 15/64" diameter 2 Flute Through-Hole Dowel Drill (Through Hole Long Series)

Does the AC6 need to be installed in pairs

CMT 550-068X Multi-Purpose TCT Hole Saw 2-11/16" (68mm) Profile Knives & Limiters medium (3/32"-1/4") and thick (3/16"-7/16")The CMT 550 068X is a 2 11 16" (68mm) Multi Purpose TCT Hole Saw (Series 550X) with XTREME FAST Push&Lock system. The carbide tipped construction cuts wood, plywood, MDF, laminates, plasterboard, plastics, bricks, aerated concrete, and soft tiles 5X faster than standard hole saws. Compatible with all CMT 550 551 arbors via the Push&Lock quick change system. SPECIFICATIONS Diameter 2 11 16" (68mm) Cutting Depth 3 inches Blade Material Carbide Tipped