Product Code:B01C001C085 Processing Level:unground Grade:YG8 N.W:74/Grams Specification:OD 21 ID 1.8 H 17 MM Tolerance:OD:-0.2.+0.3;ID-0.15,-0.25;H:-0.3, +0.3 MM Delivery time:Moulds available but no stocks, delivery time for seven days Shipping:Free Shipping to ...