WRENCH SET- Set of 9 long arm hex wrenches for quickly tightening or loosening fasteners. Metric sizes. The hex key is made of chrome vanadium steel which has a high torque of hardness. Polished surface with double chrome nickel plating, also anti-rust. 9PCS HEX TORX SOCKETS WRENCHES- Sizes included T10 (1.5mm), T15 (2mm), T20 (2.5mm) , T25 (3mm), T27 (4mm), T30 (5mm), T40 (6mm), T45 (8mm) and T50 (10mm). For professionals (garages, workshops) as well as hobbyists for home assembly work. EXTRA LONG ARM- Long allen keys save time in hard to reach places and blind.Different sizes meet your different needs. And the hollow bottom design supports special torx screws with concave points at the bottom, such as removing or installing most Allen screws for cars, furniture and equipment. DURABLE- Made of durable chrome-vanadium steel for rugged strength and a corrosion-resistant satin finish. With CRV material, hardness up to 56 degrees and overall heat treatment is durable and strong. EASY TO SORT AND CARRY- 9 Piece Hex Key Set T10 T15 T20 T25 T27 T30 T40 T45 T50 comes in a collapsible box. And the product box and body both printed the item specifications. So you can store it and make it more convenient.