A2 Stainless Steel Heavy Duty Solid Metal O Ring Welded Smooth Round Rings

16mm OD x 13mm ID x 1.5mm Thick O-ring 5pcs

Round O-Ring (ID: 16mm., WD: 2.5mm., OD: 21mm.) by ContractorsX

Square O-Ring (ID:16 mm, CS:1 mm, OD:18 mm) by ContractorsX