RUKO STS-Set 20-Piece 1/4 inch Drive Socket Set 100mm/4Z

Featuring a fine-tooth 72-tooth reversible ratchet with QuickRelease, this 20-piece 1/4" drive socket set delivers professional-grade performance in a compact Stahlwille STS module.

Overview

The RUKO STS-Set20tlg-8007-100mm/4Z is a comprehensive 1/4" drive socket set engineered for professional automotive, industrial, and general mechanical use. It includes 12 metric hexagonal sockets (4–13 mm), extension bars (54 mm and 150 mm), a universal joint, sliding T-bar, spinner handle, bit holder, and bit adapter. All components are made from HPQ® high-performance steel with a chrome-plated, polished finish for high corrosion resistance. The set conforms to DIN 3120 / ISO 1174 and is stored in a Stahlwille STS (Socket Tray System) module, ensuring organized and efficient access.

What stands out

• Fine-tooth 72-tooth reversible ratchet with QuickRelease for fast, secure socket changes
• HPQ® high-performance steel construction with chrome-plated, polished finish for durability and corrosion resistance
• Complete 20-piece set covering 4–13 mm metric sizes with essential accessories
• Stahlwille STS module storage for professional tool organization

Technical details

• Drive Size: 1/4 inch (6.3 mm)
• Number of Pieces: 20
• Socket Type: Hexagonal (6-point)
• Material: HPQ® high-performance steel
• Finish: Chrome-plated, polished
• Ratchet Teeth: 72
• Included Sockets (Metric): 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13 mm
• Included Extension Bars: 54 mm, 150 mm
• Included Universal Joint: Yes
• Included Sliding T-Bar: Yes
• Included Spinner Handle: Yes
• Included Bit Holder: Yes (for 1/4" bits)
• Included Bit Adapter: Yes (1/4" square to 1/4" hex)
• Storage System: Stahlwille STS (Socket Tray System) module
• Standard Compliance: DIN 3120 / ISO 1174
• Application: Professional automotive, industrial, and general mechanical use
• Corrosion Resistance: High

Our verdict

A professional-grade socket set that combines a fine-tooth ratchet, high-performance steel, and a complete range of metric sizes in a smart storage module—ideal for demanding workshop environments.