Product Overview O-Ring Metric 20mm x 1.5mm NBR 50 PackIncludes: 50 pieces O-Ring Metric 20mm x 1.5mm NBR Specifications: Inside Diameter: 20 mmOutside Diameter: 23 mmCross Section : 1.5 mmMaterial:Nitrile Buna Rubber Durometer:70 Reviews (No reviews yet) Write a Review