This 12 bit Shell face mill is in great shape.. The Ingersoll 5 inch shell is 6A3B05RO1.. And the toll holder is an Erickson CV50BSMC150240.. I'm not sure if that is compatible with CAT50 or NMTB50.. But maybe you know that.The item "Ingersoll Max-I-Cut 5 inch shell face mill 12 carbide bit Erickson CV50 holder" is in sale since Friday, September 21, 2018. This item is in the category "eBay Motors\Parts & Accessories\Wholesale Lots\Tools". The seller is "dragar85" and is located in Minneapolis, Minnesota. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Bahamas, China, Mexico.