PART18B – Gypsy, 1/4" HT chain, 7mm DIN766 – Barracuda ModelPART18D – Gypsy, 5/16" chain – Dolphin ModelPART18M – Gypsy, 5/16" HT Chain, ISO 8mm DIN766 – Mako ModelPART18M38 – Gypsy, 3/8" chain, SIO - 10mm DIN766 – Mako ModelAll Parts Sales are Final. No Returns.