Proto 3/8″ Drive Socket 21 mm - 12 Point
| Type | Socket | Number of Points | 12 |
| Socket Size | 21 mm | Overall Length | 1 9/32″ |
| Drive Size | 3/8″ | System of Measurement | Metric |
| Finish | Full Polish Chrome | Model No | J5221M |
Product Features
| Remarks | • Proto® 12 Point Sockets are ideal for use on stubborn or damaged fasteners, and also on fasteners made from soft materials. • The TorquePlus™ design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats, not the corners. • The TorquePlus™ configuration employs a radius-corner design, shifting contact area and stress away from the fastener corners and distributing contact stresses over a large area of the socket, minimizing slippage. • The TorquePlus™ internal design minimizes fastener rounding, helps to extend fastener life, and allows the user to more easily turn worn, rounded, or rusted fasteners. | Country of Origin | USA |
Shipping Info
Package Length
1.20000
Package Width
1.00000
Package Height
1.00000
Package Weight
0.18
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