VIMHD375 Features: -2 Piece Set: 6 in. and 10 in..-Sockets lock onto extensions, pull sleeve to release.-Can be used with all sockets wrench drive handles.-Will increase your productivity.-3/8 in. Drive Hand Drive Locking Extension Set. Color/Finish: -Start fasteners by hand, finish with ratchet or power tool.-Satin chrome finish, clear blue handles. Warranty: -Lifetime warranty.-Sets & Kits do not have warranty/ see individual pcs for details.