This is an inquiry message about MR-20-AC in the 108th China Canton Fair. (这是一条买家关于"MR-20-AC"的询盘信息,来自第108届中国广交会。)Inquiry Message (询盘信息) MR-20-AC Dear Sirs, I'm searching for a part number for the caster (not a swivel) on our MR-20-AC. The caster wheel is 8 inches diameter, 9 1/2 inches overall height, 2 inches width and the bolt spacing appeared to be about 4 1/2 inches. Contact Info (联系信息) Alexander Herhold 29404 USA Company: Boeing E-mail: alexander.c.herhold@boeing.com alexander.c.herhold@boeing.com