These spark plug sockets feature a detent system that is designed to hold spark plugs securely and prevent damage as you remove them.
Set includes 3/8 in. Dr. 14 mm, 16 mm, and 21 mm spark plug sockets
Sockets feature a ball bearing detent retention system that grips the spark plug better than traditional rubber inserts
The ball bearing detent retention system will not wear out and become loose like a traditional rubber insert
Constructed of heat-treated chromium-vanadium alloy steel for strength and durability
Polished nickel chrome plated finish resists corrosion
Warranty: Lifetime
| Assembly Required | No |
| Drive End Type | Spark Plug |
| Drive Size(s) | 3/8" |
| Driver Type | Hex |
| Finish | Brushed |
| Material | Chrome Vanadium Steel |
| Max Length (in) | 5.12 |
| Metric Size(s) | 14 mm, 16 mm, 21 mm |
| Piece Count | 3 |
| SAE or Metric | Both |
| Socket Depth | Deep |
| Socket Points | 6 |
| Quantity | UPC | Width | Depth | Height | Weight | |
| Each | 039564154157 | 2.7 | 1.1 | 5.25 | 0.75 | |
| Inner | 12 | 10039564154154 | 5.7 | 6.2 | 4.7 | 9.45 |
| Master | 36 | 20039564154151 | 7.0 | 17.6 | 5.7 | 29.0 |
California Prop 65 Warning
