A patented Brady exclusive. The Brady AMA-2 Aisle Markermatic automatically dispenses, spaces and applies 2 inch or 3inch diameter Brady Roll Mounted Aisle Marking Dots at 12 1/2 inch intervals. A single roll of dots will mark over 1,000 lineal feet of aisle or passageway. Patent No. 4,089,730.Economical to use system.One person can mark 2,500 feet per hour with ease. The AMA-2 machine is simple to operate. Dotted line approach uses less tape than conventional solid striping. Your areas are marked and ready for work immediately - no downtime or overtime.