Bi-Metal Hole Saw Kit, SUNGATOR 18-Piece General Purpose 3/4& to 2-1/2& Set with Case. Durable High Speed Steel (HSS). Fast Cut Clean, Smooth and Precise Holes Through Metal, Wood, Plastic, Drywall.

*【DURABLE AND SAFETY】: Construction of high quality Bi-Metal for rust proof, 2mm thick, much more durable and can offer a up to 50% longer life; great heat resistance

*【GREAT HOLE CUTTING】: Sharp teeth perfect for hole cutting on metal, wood, PVC board, plastic and drywall; clean and smooth cut; high precision; cutting depth varies from 43mm to 50mm according to different sizes

*【COMPLETE SET】: Includes 10 hole saws: 3/4″, 7/8″, 1-1/8″, 1-3/8″, 1-1/2″, 1-3/4″, 2″, 2-1/8″, 2-1/4″, 2-1/2″ for needs in different situations, 1 x Spare Pilot Drill for replacement, 1 x Large Mandrel, 1 x Small Mandrel with Medium Adapter and 1 x Plastic Case for easy storage (together with a hex key)

*【EASY TO USE】: Different mandrels for saws of different sizes, compatible with most drills of other manufacturers; users manual provides clear instructions and details about how to use safely

*【CONVENIENT STORAGE】: Everything in this kit is well organized in a solid plastic case, great for storage after using and easy carrying out for work; free of worry about losing small parts in the kit after handling