The 300T is a newer design for the same printing application as the 146A TO-Can marker. The Markem Model 300T is a TO-Can Marker that is semi automatic, hand fed, off-set printer. Feed Towers can be added for semi automation as well as bowl feeders and bulk ejectors. This machine has a 1x1 printing area and can use rubber or photopolymer plates as well as loose type for printing elements.