Manufactured from Buna-N. Suitable for personal and professional workshops, garages and plumbing. Supplied in partitioned interspaced box.Model NoBOR419Contents:(Approximate Quantity) ID x Thickness; Ø18 x 3.5, 20 x 3.5, 22 x 3.5, 23.5 x 3.5, 25 x 3.5, 26.5 x 3.5, 28 x 3.5, 30 x 3.5, 31 x 3.5, 33 x 3.5, 34.5 x 3.5, 36 x 3.5, 38 x 3.5, 41 x 3.5, 44 x 3.5, 47 x 3.5, 50 x 3.5mm (10 of each), 11 x 2.5, 14 x 2.5, 19 x 2.5, 22 x 2.5mm (13 of each), 10 x 2.5, 13 x 2.5, 16 x 2.5, 18 x 2.5, 21 x 2.5mm (14 of each), 5 x 2mm (x18), 3 x 1.5, 4.4 x 2mm (20 of each), 7 x 1.5, 10 x 1.5, 13 x 1.5 (23 of each)Nett Weight:0.67Kg https://elecena.pl/product/27194511/sealey-bor419-o-ring-assortment-419pc 2024-11-09 https://elecena.pl/product/27194511/sealey-bor419-o-ring-assortment-419pc 2025-02-08 https://elecena.pl/product/27194511/sealey-bor419-o-ring-assortment-419pc 2025-02-18 https://elecena.pl/product/27194511/sealey-bor419-o-ring-assortment-419pc 2025-09-12