[Durable Material]: The hole saw set is made of high-quality carbon steel, and the woodworking circular knife has sharp and durable serrations. Through induction hardening, these wood cutting tools have higher hardness and longer service life. [Set Of 18]: Each pack has 13 hole saws of different sizes (19/22/25/28/32/38/44/54/64/76/89/102/127mm); 2 mandrels 6mm ( 1/4") and 10mm (3/8"); 1 hex key; 1 mounting plate; 1 tool case. [Portable Storage]: The hole saw set is equipped with a tool box, and all hole-opening tools can be fixed in the blow-molded box. This box helps you organize these hole knives and is easy to carry around. [Multipurpose]: These tough hole saws are suitable for wood, drywall, plastic, PVC pipe, fiberglass, and more. Especially suitable for wood, plasterboard, plastic, easy and fast cutting. [Woodworking Good Helper]: This round hole cutter kit can help you open holes easily, and this downlight hole saw kit can be used with ordinary hand drills, impact drills, cordless drills, flat drills, etc. Feature: Premium Hole Saw Kit Metal Round Knife Round Drill for cutting wood, plastic, drywall and non-ferrous metals. All tools are set in a box and are easy to install and portable. Specification: Material: Carbon Steel Colour: Black Type: Round Hole Saw Size: 19/22/25/28/32/38/44/54/64/76/89/102/127mm Mandrel Size: 6mm (1/4") /10mm (3/8") Package Included: 13 x Hole Saw 1 x Large Spindle with Universal Spindle 1 x Small Mandrel 1 x Hex Wrench 1 x Mounting Plate 1 x Tool Box