AMM3102 Features: -Nut for AMM3101 & 4101 Arbors. -Repair only up to 1 yr. Product Type: -Parts & Accessories. Dimensions: Overall Height - Top to Bottom: -1.2 Inches. Overall Width - Side to Side: -1.2 Inches. Overall Depth - Front to Back: -2.2 Inches. Overall Product Weight: -0.4 Pounds.