ProHold Socket Ball End Bit 7 Piece Tool Set, with Socket - Length: 2". Includes sizes: 1/8", 5/32", 3/16", 7/32", 1/4", 5/16" & 3/8" With ProHold Button Technology. Protanium High Torque Steel and ProGuard™ corrosion resistant finish. Packaged in transparent clamshell.