Powerful, Reliable, Metal Marking Systems from Columbia Featuring Our Standard Machines and Customized Applications Utilizing Standard Components. Roll Marking in all sizes: MITE-E-ROLL: For high production roll marking of small parts Model 860: Versatile roll marking solutions with both air and hydraulic models. Heavy Duty 400 series: Offers hydraulic models with longer stroke lengths Bar stock roll marking: 2 and 4 sided roll marking for bar stock Model 260: Heavy duty pneumatic roll marking special applications Marking presses in all sizes: 3 and 8 ton presses: All air, includes all required controls and palm buttons. SLIDE-A-MARK press: The most cost effective versatile complete marking system