12 point recessed edges for a better fit on a wider variety of fasteners
Socket openings are designed to reduce fastener rounding
Chrome vanadium alloy steel construction for strength and durability
Polished nickel chrome plated finish resists corrosion
Large stamping for quick identification
Warranty: Lifetime
| Drive Size(s) | 1/2" |
| Finish | Chrome |
| Grade | Professional |
| Material | Chrome vanadium |
| SAE or Metric | Metric |
| Size(s) | 21 mm |
| Socket Depth | Deep |
| Socket Points | 12 |
| Quantity | UPC | Width | Depth | Height | Weight | |
| Each | 039564327216 | 1.70 | 0.90 | 5.25 | 0.35 | |
| Inner | 6 | 10039564327213 | 8.70 | 6.80 | 2.40 | 2.55 |
| Master | 48 | 20039564327210 | 14.10 | 9.20 | 10.00 | 22.10 |
California Prop 65 Warning
