- Size: 21 mm
- Drive: 3/8″
- Depth: Deep
- Material: Polished Chrome Vanadium Steel
- DirectTorque Technology To Prevent Rounding Of Fasteners And Provide Better Grip
- Knurled Control Ring At Base To Facilitate Handling, Especially In Oily/Greasy Conditions
- Hard Stamped Markings For Easy Identification
- Six Points Offer More Surface Area In Contact With Hex Material To Be Turned
- For Medium Duty Work And Work In Tight Areas
- Deep Socket Allows You To Access Recessed Bolts/Nuts
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