Slotted Letters and Numbers are a cost effective dimensional changeable letter application for marquee signs. Slots cut in the sides of the sign letters makes changing copy on the Slotted Letter track system very easy. Slotted Changeable Letters have been re-gaining popularity and have been completely retooled for superior installation on our Slotted Letter tracks. We offer these letters in black and transparent red. Slotted Letters are injection molded, have sharp crisp edges, and a flat face. Easy to install and provide a beautiful sharp look. Slotted Letter track and change arms are available. Click the Price/Buy link below to access the Slotted Letters and accessories.