Made in the U.S.A. Durable black oxide finish. Socket retention pin is TIG welded, providing full rotation power to the socket. Sockets feature SuperTorque lobular openings for greater turning power without deforming the fastener. Drive end has a 7/32″ cross hole bevel for ease of use. Up to 3 degree angle offset. Flextensions are designed for use on hand and power tools (Impulse or Direct drive); NOT FOR IMPACT TOOL USE. Maximum working torque values: 16 Ft. Lbs. /192 In. Lbs. /217 Nm. Other lengths and socket sizes available by special order. Contact your Williams representative