Product Overview O-Ring Metric 18.5mm x 1.5mm NBR 50 PackIncludes: 50 pieces O-Ring Metric 18.5mm x 1.5mm NBR Specifications: Inside Diameter: 18.5 mmOutside Diameter: 21.5 mmCross Section : 1.5 mmMaterial:Nitrile Buna Rubber Durometer:70 Reviews (No reviews yet) Write a Review