21mm/21.5mm Socket - Lisle

The Lisle 12920 dual-size specialty socket is an indispensable tool for automotive and industrial professionals encountering 21mm fasteners that may be slightly expanded or worn. This robust socket intelligently combines both 21mm and 21.5mm sizes, allowing technicians to confidently address standard and oversized hardware without the need for constant socket changes. Its professional-grade construction ensures consistent performance under the rigorous demands of daily shop environments.

Key Features

• Dual-Size Design (21mm / 21.5mm): Precisely engineered to fit both standard 21mm fasteners and common 21.5mm variations often found on lug nuts, suspension components, and chassis hardware affected by corrosion or wear.
• Professional-Grade Durability: Constructed to withstand the high-impact and high-torque applications typical in tire, brake, and front-end service, ensuring long-term reliability.
• Secure Fastener Engagement: Features precision machining for a tight, reliable grip, significantly reducing the risk of slipping and rounding on rusted, swollen, or previously over-torqued nuts.
• Enhanced Workflow Efficiency: By consolidating two frequently used sizes into one tool, technicians can streamline operations and reduce service downtime during critical tasks.

Applications

This socket is an essential addition for professional automotive service facilities, dedicated tire shops, and general repair garages that routinely encounter 21mm and 21.5mm fastener sizes. It is particularly effective for lug nut service on a wide range of passenger vehicles and light trucks, where swollen lug nuts are a common issue. Additionally, it proves invaluable for work on suspension, steering, and chassis fasteners that often present slight dimensional variations due to wear or environmental factors. Its versatility also extends to fleet and industrial maintenance settings requiring adaptable tools for varying fastener tolerances.

Specifications

• Manufacturer: Lisle
• Model Number: 12920
• Size: 21mm / 21.5mm dual-size
• Weight: 1 lb
• Dimensions: 2.5 x 3 x 2 in