SKU: 421060 IN STOCK Save54% Intermaxillary O-Rings Heavy 184grams 0.18inches - (4.5mm 3/16in ) - 50pk of 100 Intermaxillary O-Rings - + $44.90 $20.46 Add to cart Manufacturer # PROSS65 Manufacturer PRO-LINE Model 184grs Sizes 4.5mm 3/16in Feature 4.5mm 3/16in Package 5000pk