The Eclipse EE30-K Plus30 Electrician Holesaw Kit, suitable for Electricians The Eclipse EE30-K Holesaw Set gives superb cutting performance, safety and is especially suitable for Electricians. Manufactured from hardened M3 HSS teeth, electron-beam welded to a tough alloy body and cap. Available in 4/6 TPI Vari-pitch tooth configuration for universal cutting. The set contains HSS bi-metal hole saws in sizes 16, 20, 25, 32, 38 and 51mm and Arbors: E2 and E4. Features: Contains ideal sizes for the Electrician Teeth cut faster and stay sharper for long life Comes in a handy plastic case for convenient storage Strong Bimetal construction ensures strength, durability and shatter resistance Select the correct drilling speed for the material being cut for optimum performance Highly suitable for cutting through virtually any machineable machinery including mild & stainless steel, cast iron, brass, aluminium and wood Contains:   Carry Case Arbors: E2 and E4 HSS Bimetal Holesaws: 16, 20, 25, 32, 38 and 51mm Specification: Arbors: E2 and E4 HSS bimetal hole saws: 16, 20, 25, 32, 38 and 51mm