[High-Quality Material]: Made from industrial grade nitrile rubber (NBR), known for its excellent oil and UV resistance, flexibility, and durability.
[Wide Size Range]: Set includes 32 commonly used sizes ranging from 3 mm to 50 mm in internal diameter, accommodating a variety of sealing needs.
[Organized Storage Solution]: Comes with a heavy-duty storage box, allowing for orderly arrangement and easy access to different sizes of O-rings.
[Robust Performance]: Features a super flexible structure and ultra-thick wall design that ensures longevity and high performance under various conditions.