M8 x 1.0 (2746) M10 x 1.0 (2747) M10 x 1.25 (2748) M12 x 1.0 (2749) M12 x 1.25 (2750) M14 x 1.25 (2751)Thread Kits (5 piece) M8 x 1.0 (2632) M10 x 1.0 (2633) M10 x 1.25 (2634) M12 x 1.25 (2635) Essential Service tool for alloy cylinder head. Packed in a blow case.