Insulated Socket, Drive Size 3/8 In., Metric, Socket Sizes 18mm, Output Type Hex, Socket Depth Standard, Number of Points 12, Not Tether Capable, Overall Length 1-1/8 In., Finish Chrome, Material Chrome Vanadium, Drive Type Female Square, Features Double Covered Insulation Red Over Yellow, Standards EN/IEC 60900, ASTM 1505, NFPA70E, CSA, OSHA 29 CFR 1910 This product contains a chemical that is regulated under California Proposition 65. Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. -