The Professional 155-Piece Tool Set (Model 500009) delivers the ultimate solution for technicians demanding versatility and comprehensiveness in one organized kit. This premium collection features three extendable ratchets (1/4", 3/8", and 1/2") to handle every fastening need, paired with a complete range of standard and deep sockets across all three drive sizes - covering metric sizes from 4mm to 32mm, with special focus on automotive and industrial applications.

Socket set contents:

· Extendable ratchet handles: 1/4" - 3/8" - 1/2"
· 1/4" sockets: 4 - 4,5 - 5 - 5,5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14 mm
· 1/4" deep sockets: 4 - 5 - 6 - 7 - 8 - 9 - 10 mm
· 3/8" sockets: 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 mm
· 3/8" deep sockets: 10 - 11 - 12 - 13 - 14 - 15 mm
· 1/2" sockets: 10 - 11 - 12 - 13 - 14 - 15 - 16 - 17 - 18 - 19 - 20 - 21 - 22 - 24 - 27 - 30 - 32 mm
· 1/2" deep sockets: 14 - 15 - 17 - 19 - 22 mm
· 1/4" star sockets: E4 - E5 - E6 - E7 - E8
· 3/8" star sockets: E10 - E12 - E14 - E16 - E18
· 1/2" star sockets: E20 - E22 - E24
· 1/4" bits: Phillips #0 - #1 - #2 - #3 - Pozi #0 - #1 - #2 - #3 - Star T8 - T9 - T10 - T15 - T20 - T25 - T27 - T30 - T40 - Hex: 3 - 4 - 5 - 6 - 7 mm - Slotted: 3 - 4 - 4,5 - 5 - 5,5 - 6 - 6,5 - 7 mm
· 3/8" bits: Hex: 6 - 7 - 8 - 9 - 10 mm - Star: T45 - T47 - T50 - T55 - T60
· 10 mm x 30L bits: Tampered Star TH20 - TH25 - TH30 - TH40 - TH45 - TH50 - TH55 - Phillips: #2 - #3 - Hex: 4 - 5 - 6 - 7 - 8 - 10 - 12 mm - Spline: M5 - M6 - M8 - M10 - M12
· Hex keys: 1,25 - 1,5 - 2 - 2,5 - 3 mm
· Universal joint: 1/4" - 3/8" - 1/2"
· 1/2" spark plug sockets: 16 - 21 mm
· 3/8" spark plug sockets: 16 mm
· 1/4" spinner handle
· Extensions: 1/4" x 2" - 1/4" x 4" - 3/8" x 3" - 3/8" x 6" - 1/2" x 5" - 1/2" x 10"
· Bit holders: 3/8" x 10 mm - 1/2" x 10 mm

The set stands out with its Torx sockets (E4 to E24) and specialized bits for all screw types: Phillips, Pozi, Torx, hex, and slotted in various sizes. The package is completed with hex keys (1.25 to 3mm) for precision work and spark plug sockets (16mm and 21mm), perfect for engine maintenance.

Practicality is ensured through universal joints in all three sizes, multiple extension bars (up to 10" for 1/2" drive), and dedicated adapters. The 1/4" bit driver and 10mm bit sockets round out this mobile workshop solution.

Crafted from high-strength materials and housed in a professional case, this set is ideal for mechanics, specialists, and demanding DIYers. Completeness, premium construction, and intelligent organization combine in a product built to last and tackle any technical challenge with professional results.