Orvis M4 BOA Dial & Lace Repair Kit - Replacement dial-and-lace kit for M4 BOA -equipped wading boots. Includes one precut lace, dial, a tool, and instructions. Replacement dial and lace for M4 BOA-equipped wading boots Durable M4 dial allows for micro-adjustments on the fly Easy to grip with gloved hands in wet conditions 100cm - Boot Size 7-11 110cm - Boot Size 12-14 Style: 3MH91000