Genuine Shimano Spacer (part #10TJM) — this precision spacer maintains correct clearance and alignment between internal reel components, ensuring the gear train and rotor assembly operate without binding or excessive play. A missing or worn spacer causes wobble, rough cranking, and accelerated wear on bearings and gears. Cross-references with Shimano part number RD18208. OEM replacement guarantees factory-spec tolerances for smooth, reliable reel operation. Available from Offshore Tackle & Repair in Stuart, FL — your trusted source for genuine Shimano spinning reel parts.