Motion Pro Professional 21mm 13/16" Spark Plug Socket Tool Slim Thin Wall

DESCRIPTION
Motion Pro Professional 21mm (13/16") Spark Plug Socket Tool features a slim, thin-wall skeleton design for easy access in tight spaces. Built from ultra-strong tool steel with a protective black oxide coating, this socket uses an innovative mechanical internal plug retention system—no rubber grommet to fail. Lightweight, durable, and designed for professional use.

Works with a 3/8" square drive, 17 mm wrench, or thru rod. Can also be used as an axle holding tool on bikes with 17 mm or 24 mm internal hex axles. Through-hole allows use of a screwdriver or holding rod.

FEATURES
• Professional 21mm (13/16") spark plug socket  
• Slim thin-wall skeleton profile for tight access  
• Mechanical internal plug retention system (not rubber)  
• Easy-to-read laser-etched markings  
• Ultra-strong tool steel construction  
• Protective black oxide coating  
• Lightweight design  
• Works with 3/8" drive, 17 mm wrench, or thru rod  
• Multi-functional: axle holding tool for 17 mm / 24 mm internal hex axles  
• Lifetime limited warranty  

SPECS
• Product Name: Spark Plug Socket  
• Type: Pro  
• Style: Multi-Functional  
• Color/Finish: Black Oxide  
• Material: Steel  
• Measurement System: Metric / SAE  
• Drive Size: 3/8"  
• Outside Diameter: 1.073"  
• Units: Each  
• Riding Style: Off-Road / Street  

FITMENT
Universal tool — fits any motorcycle, ATV, UTV, or powersports application requiring a 21mm (13/16") spark plug socket or 17/24 mm internal hex axle holding tool.