ORINGP31(30.7X3.5)
ORINGP10(9.7X1.9)
ORING PS-16 16X20X3
O型橡皮-四角PS-18
O型橡皮-四角PS-14 14X18X2.9mm
O型橡皮-四角PS-20 20X24X2.9mm