Features: Quality Security Screwdriver:Designed specifically for security fastenings, these screwdriver offer exceptional durability. Durable Construction:Crafted from heat treated steel, these screwdriver are built to withstand heavy use without breaking or wearing down. Reliable Solution for Secure Fastening:With their specialize design, these screwdriver ensure secure and tamper proof fastening, making them suitable for professionals and DIYers. The hardness is more than 56HRC, long lasting use; The tip with hardening treatments, high hardness, non slippery, non collapsing, and not easy to rust; Black finish tip with magnets which could conveniently attracts screws, The hole in the center in each bit causes it to be tamper resistance; Screwdriver tip with medium hole torx screwdriver, detachable hexagonal torx screw with and without center pillars; Specifications: Material:Steel Includes T8+T10+T15+T20+T25+T30 Magnetic Torx Screwdriver; T8 Torx Screwdriver:Total Length:Approx.155mm/6.1in,Tip Diameter:Approx.2.3mm/0.09in; T10 Torx Screwdriver:Total Length:Approx.178mm/7in,Tip Diameter:Approx.2.72mm/0.11in; T15 Torx Screwdriver:Total Length:Approx.200mm/7.87in,Tip Diameter:Approx.3.26mm/0.13in; T20 Torx Screwdriver:Total Length:Approx.200mm/7.87in,Tip Diameter:Approx.3.84mm/0.15in; T25 Torx Screwdriver:Total Length:Approx.200mm/7.87in,Tip Diameter:Approx.4.4mm/0.17in; T30 Torx Screwdriver:Total Length:Approx.209mm/8.23in,Tip Diameter:Approx.5.49mm/0.22in; Hardness:>56HRC Package Includes: 6xMagnetic Torx Screwdriver note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.