7 Piece, Compact Electricians Hole Dozer Hole Saw Kit, Features Rip Guard The Strongest Tooth Form In The Industry, Each Tooth Is Built With More Steel Behind The Cutting Edge For Added Strength To Keep The Teeth On The Saw, Plug Jack An All Access Slot Design That Allows For Full Access During Plug Removal, Kit Includes 7/8" Hole Saw, 1-3/8" Hole Saw, 1-1/8" Hole Saw, Arbor, Spacer, Arbor Adapter, Pilot Bit, Hex Key & Case.