Feature:1. INCLUDED TOOLS: The kit includes sockets, wrenches, extension rod, adapter, etc. with various specifications to meet more maintenance requirements.2. APPLICABLE SCENES: Suitable for tightening or loosening most bolts, nuts, screws, etc., widely used in automobile, machinery and motorcycle maintenance.3. HIGH CARBON STEEL: These wrenches and sockets are made of high carbon steel with high hardness, wear resistance, corrosion resistance and long service life.4. STORAGE BOX: Equipped with a plastic storage box, used to organize and store these tools, provide good protection to prevent tools from being lost.5. STANDARD SIZES: These maintenance tools have standard sizes, can be easily installed and replaced, have good stability, which are safe and reliable.Specification:Item Type: Wrench Socket KitProduct Material: High Carbon Steel28Pcs Socket Size: 4mm / 0.16in, 4.5mm / 0.18in, 5mm / 0.2in, 5.5mm / 0.22in, 6mm / 0.24in, 6.5mm / 0.26in, 7mm / 0.28in, 7.5mm / 0.3in, 8mm / 0.31in, 9mm / 0.35in, 10mm / 0.39in, 11mm / 0.43in, 12mm / 0.47in, 13mm / 0.51in, 5/32 (3.96), 3/16 (4.76), 7/32 (5.55), 1/4 (6.35), 9/32 (7.14), 5/16 (7.93), 11/32 (8.73), 3/8 (9.52), 13/32 (10.31), 7/16 (11.11), 15/32 (11.9), 1/2 (12.7), 17/32 (13.49), 9/16 (14.28mm)3/8x21MM long socket, 3/8x3 extension rod, 1/4x3/8 adapter, 1/4 blue disc, 3/8 wrench, 1/4small square rod, 3pcs octagonal sockets (1/4, 5/16, 3/8), 2pcs 3/8in sockets (15MM, 16MM)Product Color: Steel Color.Package List:28 x Sockets1 x 3/8x21mm Long Socket1 x 3/8x3in Extension Rod1 x 1/4x 3/8 Adapter1 x 1/4 Blue Disc1 x 3/8 Wrench1 x 1/4 Small Square Bar3 x 1/4 (8 Point) Inch Sockets2 x 3/8 Metric Sockets1 x Plastic Box Have a great time shopping!