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Snap-on SM21 | 1/2 in Drive Flank Drive Deep Socket | 21 mm, 12-Point
Part Number : SM21
A 12-point Metric socket for 21 mm fasteners, the SM21 has a 1/2-inch square drive and an overall length of 82.6 mm. Hex depth is 16.7 mm and bolt clearance depth is 57.9 mm. Finish is chrome.
Key features
- Length 82.6 mm; hex end diameter 28.6 mm; drive end diameter 27.8 mm
- Flank Drive profile grips the fastener on its flats, which Snap-on states gives 15-25% more turning power
- Nickel-chrome alloy finish resists rust and corrosion
- Made from domestic steel for strength and durability
- 1/2-inch square drive with Metric sizing and 12-point openings
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