Rubber button sprue base
Minimum Order: 0
Quality/Safety Certification: 0.00
Rubber sprue base, made of best rubber, long service life time.
We have two kinds of rubber bases, one is cuspidal in the center, the other is round in the center. The former's quality is better the the second one.
3.5inch & 4.0 inch are main sizes. Also we can make to order.