Product Overview O-Ring Metric 3.5mm x 1mm NBR 50 PackIncludes: 50 pieces O-Ring Metric 3.5mm x 1mm NBR Specifications: Inside Diameter: 3.5 mmOutside Diameter: 5.5 mmCross Section : 1 mmMaterial:Nitrile Buna Rubber Durometer:70 Reviews (No reviews yet) Write a Review