ATD Tools 13782 10-Piece Triple Square Spline Bit Socket Set Ridgid COUPLING | The product is

COUPLING | The product is used for pipe-fittings | This product manufactured in United States

look for the 5/16-Inch tip Round shape bottom ball groove

Set includes: (3) non-marring

20" Extension Wall Tube for Decorative Round Trap

Or use it for more complex jobs like fixing hydraulics

ATD Tools 13782 10-Piece Triple Square Spline Bit Socket Set Ridgid COUPLING | The product is(10) Triple Square Spline Bit Sockets: M4 1 4" Drive (ATD 232); M5 1 4" Drive (ATD 233); M6 1 4" Drive (ATD 234); M8 3 8" Drive (ATD 235); M9 3 8" Drive (ATD 236); M10 3 8" Drive (ATD 237); M12 3 8" Drive (ATD 238) M14 3 8" Drive Tamperproof (ATD 239); M16 1 2" Drive Tamperproof (ATD 241); M18 1 2" Drive Tamperproof (ATD 242) Includes triple square spline bit sockets Bits are made from S2 steel to meet or exceed torque specifications Sockets are made