Set of O-Rings (6x2, 6x3, 6x4, 6x5mm) $9.70 Brand XRAY Product Number 366161 Stock 2 Add to Cart Share Facebook Twitter Google Plus Pin It Product Description Set of O-rings that may be also used to eliminates excess play. Fits over 6mm shaft. Set includes 2.0mm, 4mm, and 6.0mm thick o-rings.