General description Sealey Double Flute HSS 4341 Step Drill Bit Set includes three high-speed HSS 4341 double flute step drills designed for efficient and clog-free drilling. This set covers 18 different sizes, making it versatile for various applications. It is supplied in a convenient flip-up metal case for easy storage and transport. Technical specifications Material: HSS 4341 Number of bits: 3 Sizes covered: Size #1: Ø4-12mm Size #2: Ø4-22mm in 2mm increments Size #3: Ø4-30mm in 2mm increments Model No.: AK4746 EAN: 5054511002591 Other information