Each BC39S kit includes: 1 x Pressure Seal - 1 x Dust Seal - 2 x Rubber Boot - 1 x Bleed Nipple - 1 x Bleed Nipple Cap - 2 x Copper Banjo Washers - 1 x Pot of Red Rubber Grease ---- Red rubber grease is included to provide lubrication for assembly, protect from dry burn, and prevent swelling and hardening of rubber hydraulic component seals.