Set containing 1,050 theoretical seals of various sizes in a Würth SYSKO 4.4.1 case. - Made of Perbunan N (nitrile rubber) PN 70 70+/- 5 - Temperature resistance: From -35°C to +120°C - Seals with small volume, easy to fit and safe to use - Suitable for sealing movable and immovable mechanical components - Resistant to all mineral oils, lubricating greases, petrol, steam, compressed air, weak acids, etc.