oh, the ball links... a lil pricey maybe cus theyre real kart ones. i only have M24 and M8 LH taps, so M8 it was... i gotta invest in more of these weird taps. i have the full collection of 1/4 inch taps... 1/4 by 20,24,28 and 32TPI, plus the 1/4x19tpi bspt one (air line fittings), but only two...