Uses a power fit shape that prevents stress from concentrating on the bore and insertion angle to prevent damage to the edges of bolts and nuts, allowing for more reliable tightening and loosening work.
KTC B3-21, 3/8in Sq. Socket Standard (6Pt.), 21mm
KTC B3L-14W, 3/8in Sq. Deep Socket (12Pt.), 14mm
KTC B4-1, 1/2in Sq. Socket Standard (6Pt.), 1mm
KTC B3L-13, 3/8in Sq. Deep Socket (6Pt.), 13mm
KTC B4-20, 1/2in Sq. Socket Standard (6Pt.), 20mm
KTC B4-13, 1/2in Sq. Socket Standard (6Pt.), 13mm