225 Pieces 18 Popular sizes O-Ring Sealing Gasket Washer,Meet almost all your needs.
Material:Nitrile rubber(NBR),Heat and abrasion resistant
Application:garages,general plumbers,mechanics,workshop,car,door,window,electric appliance,bearing,pump,carrier roller.
Easy to use: Stored in a labeled and organized case,easily choose sizes you need; Sturdy storage case is better for organization and portability.
Excellent oil and UV resistance:Commercial grade Nitrile Butadiene Rubber (NBR)