Quick view McGard McGard SplineDrive Lug Nut Installation Tool For 1/2-20 / M12X1.5 & M12X1.25 / 13/16 Hex - Pk of 10 - 65100 $115.05 SplineDrive Installation tool.; For use only with McGard SplineDrive lug nuts with a 1/2-20, M12x1.25 or M12x1.5 thread size.; Installation tool has a 13/16 HEX size.; This product may contain globally sourced materials/components. Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List