Starrett's Deep Cut Electricians Hole Saw Kit featuring dual pitch hole saws and select accessories. High speed, heat resistant Carbide Steel teeth welded to a durable alloy backing and cap. The saw is exceptionally strong, safe, and shatter resistant. These tools effectively and economically cut a variety of materials including wood, metal, and steel. Kit includes the following: DCH Series 22mm (7/8''), 29mm (1.1/8''), 35mm (1.3/8''), 44mm (1.3/4''), 51mm (2''), 64mm (2.1/2''), 76mm (3''), 92mm (3.5/8''), 105mm (4.1/8''), 114mm (4.1/2''), 121mm (4.3/4"). A1E Extended Length Arbor, A2E Extended Length Quick Hitch Arbor, A12 Arbor Adapter.