Amazon.co.jp: Durable,Black Rubber O Ring Seals 3.5mm CS NBR O Rings Seal 125/130/135/140/190/195/200mm OD 70SH Hardness O Ring Gasket (Color : 20pcs,Size : 175x168x3.5mm) (Color : 20pcs, Size : 140x133x3.5mm) : 産業・研究開発用品
Amazon.co.jp: Durable,200pcs 3mm Thickness NBR O Ring Seals 20/21/22/23/24/25/26/27/28/29mm OD O-rings Hole Oil Resistance Sealing Gaskets Washers (Size : 24x18x3mm) (Size : 21x15x3mm) : 産業・研究開発用品
KOOTANS 24 Size 1200pcs Metric O-Rings Kit Nitrile Rubber O-Ring Assortment Kit for Plumbing, Automotive and Faucet Repair, NBR Sealing Seal Gaskets O Rings Set : Amazon.in: Home Improvement
Amazon.co.jp: Durable,10pcs NBR 5mm Thickness O Ring Seal 110/115/120/125/130/135/140/145/150/155/160mm OD Black Nitrile Rubber O-ring Sealing Gasket (Size : 160x150x5mm) (Size : 110x100x5mm) : 産業・研究開発用品