Hole saw set for wood and metal 17 Pieces (19-76mm) + Adapter Brand: KRAFT&DELE This professional set of bi-metal hole swiss is designed for precise and efficient drilling in a wide range of materials. The hole saws are made of HSS alloy steel combined with high-carbon steel, which results in high durability, flexibility and a long service life even under heavy use. The bi-metal construction and electronic-welded high-speed teeth on the high-alloy steel body ensures stable operation and resistance to damage. The set is perfect for general, installation, electrical and repair work, as well as professional applications. It's a universal solution designed for plembres, electricians, and users looking for reliable tools for a variety of tasks. Product Features: . Bi-metal hole saw assembly – high performance and durability . HSS + High Carbon Steel Construction – Flexibility and Fracture Resistance . High-speed electronic-welded teeth – long service life . Wide diameter range from 19 to 76 mm – universal use . Designed for many materials – steel, aluminum, wood, plastic . Ideal for installation, electrical, and repairs . Complete set with adapt and extension . Practical follow-up – convenient storage and transport Specifications: . Number of elements 17 pieces. Diameter range 19 – 76 mm - Bi-metal material (HSS + high carbon steel) Wood, metal, aluminum, plastics application Composition: . Hole sws: 19, 20, 22, 25, 29, 32, 35, 38, 44, 51, 57, 64 mm . 2 x Stem: 3/8" HEX, 7/16" HX . Adapt Condition: New Shipping: Tariff A