AS568 standard O-Ring (5*1) 1. High quality lower price 2. 10,000,000 pcs in stock 3. UL, FDA, ROSH or REACH approved Now this product is in sales promotion. High quantity with lower price!! 10,000,000pcs in stock. Don't hesitate any more, send us your inquiry. This is no doubt a good choice for you!!AS568 standard O-Ring MaterialNBRHardness70 shore AProduction CapabiltyRubber compression/ ...