Titan 85154 3-Piece Auto Flex Universal Joint Set is made of chrome vanadium steel with chrome plated finishing and electrical color coating. Auto flex u-joint articulates under spring tension providing semi-rigid directional control and accuracy. Made in Taiwan. Features: Set Includes: (1) 1/4 in. Dr. ,(1) 3/8 in. Dr. ,(1) 1/2 in. Dr.Chrome plated finishing with electrical color coatingAuto Flex joint articulates under spring tension providing semi rigid direction control and accuracy Made with Chrome Vanadium SteelCheck out our eBay Shop for a complete selection of great tools!