I bought 03718742 (100204). Although the explanation is few and it is difficult to understand, the size of the part to be pinched is 4 mm in thickness and 15 mm in diameter. The thickness of the cushion part is 4 mm in diameter and 24 mm in both top and bottom. The pipe-like spacer that passes through the core is 10 mm in outer diameter 6 mm in inner diameter and 12 mm in height. By the way, (100203) is the specification that the inner diameter of the pipe-like spacer is 8 mm and 8 mm bolts are passed through. Rubber hardness is standard hardness similar to those around tank rubber and brake reserve, easy to handle and easy to handle.