As an Amazon Associate, we earn from qualifying purchases. ATD 356 270 pc. HNBR R-12 and R-134a O-Ring Assortment - Mutual Screw ATD Tools . ATD-356-MD Gallery Attributes Brand name, Manufacturer name, ManufacturerATD Tools Extra Product NameATD 356 270 pc. HNBR R-12 and R-134a O-Ring Assortment - Mutual Screw Weight0.3 WeightUnitlbs moq, multiple, tierMinQty11 MPN, SKUATD-356-MD qtyInStock0 tierPrice135.8526922359 Distributor offers SellerSKUMOQIn stockMultiplePrices Mutual ScrewATD-356-MD111 @ $35.85