Urethane Coating | Fits in Back Pocket for Quick Access to Tools | Hex-Key Ends Are Square-Cut for a Secure Full-Depth Fit and Maximum Contact With the Hex Socket to Prevent Slippage and Stripping of the Socket | On Motor Windings, Terminals, Bus Bars, Commutator Ends, Stator Coils, and Pc BoardsFurbay Electric Supp