BACK-UP RING (1)
BU-TFE-105×1.25×2.5-C/S
BU-TFE-140×1.9×5-C/S
BU-TFE-115×1.9×5-C/S
BU-TFE-110×1.9×5-C/S
BU-TFE-135×1.9×5-C/S
BU-NYL-85×3×7.5-C/S SPLIT