The set contains different lengths and types of bits for various screw types and nutsetters for hex screws. Also included are a magnetic universal holder and a universal holder with quick-change function. The Extra Hard Screwdriver Bit Set 35-Piece comes in a practical and robust storage box providing a good view of its contents as well as safe storage and transport. The set contains: PH1 PH2 PH3 PZ1 PZ2 PZ3 S 3/4/5/6 HEX 3/4/5/6 TH10 TH15 TH20 (2x) TH25 TH27 TH30 TH40 Nutsetter 6/8/10 mm HSS 2.0/3.0/4.0/5.0/6.0/8.0 mm Double blade PH2/PZ2 Double blade Th20/Th25 The drill bits feature cylindrical shank systems for all corded or cordless impact drills. The Extra-Hard Screwdriver Bit Set 35-Piece is a good choice for universal use. This complete set contains accessories for important drilling and screw-driving applications. The screwdriver bits are composed of S2 Modified Steel and an optimised heat treatment process which provides an extra-hard quality that delivers a strong performance for all tasks. All bits are colour-coded for quick viewing and identification of the appropriate bit type. Furthermore the set contains HSS (high-speed steel) drill bits for precise results in soft and hard wood. These extremely sharp drill bits with a centring tip allow for accurate hole positioning. They have a 1/4-inch external hex shank for use with screwdrivers and drill drivers. 35-piece drill and screwdriver bit set with quick-change universal holder as well as magnetic universal holder • Universal Use for Drilling and Screwdriving Applications • The Extra Hard Screwdriver Bit is a good choice for universal use • S2 Modified Steel and an optimised heat treatment process results in extra-hard quality for adequate performance • Screwdriver bits composed of S2 Modified Steel for extra-hard quality and a strong performance in all tasks • CYL-3 drill bits for a lasting performance in abrasive materials such as concrete and natural stone Specifications: Set contents: (#227055 – 8678; PH1 PH2 PH3)(#227054 – 8682; PZ1 PZ2 PZ3)(#227058 – 8693; S 3/4/5/6)(#8680 – InnenSechskant; HEX 3/4/5/6)(#100340 – Security_Torx; TH10 TH15 TH20 (2x) TH25 TH27 TH30 TH40)( ; Nutsetter 6/8/10 mm)( ; HSS 2.0/3.0/4.0/5.0/6.0/8.0 mm)( ; Double blade PH2/PZ2)( ; Double blade Th20/Th25) Length mm: 25; 25; 25; 25; 25; 50; 67; 72; 87; 97; 102; 112; 60; 60 Materials: Wood Materials in Detail: Hard/solid wood Plywood panel Softwood Chipboard