Give you multiple options for working around obstructions or in tight spaces. Designed to accommodate long threads or a bar for additional torque without affecting tool strength. Applied in DIY hand-making, automotive repairs, household maintenance, and most general repairs. Feature: 1.iron 2.Pressure and Erosion Resistant 3.Suitable for Long Time Industrial Usage 4.Anti Corrosion/Slip Surface 5.mainly used in auto repair machine repair.             Specification: T10/T15/T20/T25/T30/T40 H3/H4/H5/H6/H7/H8 S4/S5.5/S7 PH1/PH2/PH3 PZ1/PZ2/PZ3 Socket: 4-4.5-5-5.5-6-7-8-9-10-11-12-13-14MM 1* 1/4'' Flexible spinner handle 1* 1/4'' Spinner handle 1* 1/4'' Ratchet handle 2* Extension bar: 2'' + 4'' 1* Universal joint 3* Hexagon wrench: 1.5-2-2.5 1* 1/4'' 6'' Elastic bar 1* AD Electric joint Feature: 1. Durable material: Constructed with carbon steel for lasting durability, nontoxic and rust proof. 2. Portable: All tools contained in a sturdy, plastic case for easy storage and transport, keeping the tools organized and tidy and it is convenient for you to access the tool you need. 3. Wrench handle: With non-slip handle for comfortable, ergonomic grip when is in use. 4. Widely use: Great for most small repairs and basic DIY projects at home, garage and the workshop. for repairmen, construction workers, mechanics and so on.