M1200D100Z03C075HN07L480 AKA 3953898 is a 1″ diameter, 3/4″ straight shank M1200 Mini 45 degree milling cutter. (pg H12). 4.8″oal, 1.343″ head diameter 3 flute. Max rpm 19800. Through the tool coolant. .138″max AP1 (doc). This uses HNPJ/HNGJ07 Milling inserts. The insert has 12 edges per insert.