High Quality Feature: Superior wear resistance and optimal traction without deformation. Wheel belt loop idler rubber ring for cassette deck recorder, tape stereo, and audio player. Size: inner diameter – thickness – width (mm) A: 14–1.5–3 mm B: 14–2–1.5 mm C: 14–2–2 mm D: 14–2.4–2.4 mm E: 14–2.5–2.5 mm F: 14–2.5–5 mm G: 14–3–2 mm H: 14–3–3 mm I: 14–3.2–2.8 mm J: 15–2–2 mm K: 15–2.5–2 mm L: 16–2.5–2.5 mm M: 16–2.6–2 mm N: 16–3–1.8 mm O: 17–2–1.5 mm P: 17–2.2–2.2 mm Q: 17–2.75–2.2 mm R: 17–3–2 mm S: 17–2.2–3.8 mm Note: 1. No retail packaging. 2. Please allow up to 1 cm measurement tolerance due to manual measurement. 3. Colors may vary slightly due to monitor settings. Package includes: 4 pcs idle wheel belts