Multipurpose and perfect for your work: The universal joint and flexible extension bar can be used in various tight spaces. This tool set can meet your repair or mechanical work needs. It is ideal as a gift for machine repair enthusiasts Easy and Quick Change: 1/4" Quick Release Ratchet with 72 teeth, with curved handle design and forward/reverse switch, more reasonable and effective: it allows you to spend less effort so you can work more efficiently High Quality Cr-V: The sockets are made of high-quality heat-treated chrome vanadium steel, which protects against corrosion and gives our sockets greater durability and strength Specifications: The set comes with 46 complete pieces, includes 1/4" ratchet handle, 13 piece hex socket (short: 4/4.5/5/5.5/6/7/8/9/10/11/12/13/14 mm), 2 extension bars, square conducting tivo, universal coupling, flexible extension bar (145 mm), T bar, 21 screwdriver bits (H3/H4/H5/H6/H7/H8; PH1/PH2/PH3; PZ1/PZ2/PZ3; T10/T15/T20/T25/T30/T40; SL4/SL5.5 SL7) Bit Adapter, 3 Allen Keys (1.5/2/2.5 mm) Carrying Box：24 cm x 13 cm x 4.7 cm plastic box, keep tools organized, easy to carry and store