50pcs Black Nitrile Butadiene Rubber NBR O-Ring 4.5mm Inner Dia 1.8mm Width

O-rings seal and prevent leaks in plumbing, machinery, hydraulic and pneumatic repairs.
Nitrile Butadiene Rubber (NBR) formulation ensures excellent oil resistance.
Super pliable construction and extra thick wall design provide long term durability.
Suitable for high dynamic loads and is abrasion resistant.

• Net Weight: 4g; Package Content: 50(+/-2%)pcs x O-Ring
• Main Color: Black
• Inner Diameter: 4.5mm / 0.18"
• Width: 1.8mm / 0.07"