Professional 419 Piece Assorted Metric O-Ring Set in
A Handy and Useful Section of 'O' Rings, Most likely all the O ring sizes you'll ever need. Includes 32 Metric Sizes (3-50mm Internal Diameter). Brand New In Sturdy Storage Case. Ideal for The Home, Workshop, Hobbyists, Tradesmen, Builders and DIY Enthusiasts, etc. Specifications Professional quality Comes in sturdy plastic case Sizes 3x1.5, 4x2, 5x2, 7xxxxx2.5mm 13xxxxxxx2.5mm 18xxxxxx3.5mm 28xxxxxx3.5mm 38xxxxx3.5mm