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| Parameter information | |
| Brand | sty |
| Origin | Mainland China |
| Color Options | Outer Diameter 15*4, 16*4, 17*4, 18*4, 19*4, 20*4, 21*4, 22*4, 24*4, 25*4, 26*4, 27*4, 28*4, 30*4, 31*4, 32*4, 34*4, 35*4, 36*4, 37*4, 38*4, 40*4, 42*4, 45*4, 46*4 |
| Model | Silicone O-ring, Outer Diameter (15-45mm), Cross-section 4mm |
| Province | Shanghai |
| City | Shanghai |
| Material | Silicone rubber |