Horizontal XRay Markers have the most durable aluminum casing to provide the best quality control. Lead letters are embedded in a crystal clear epoxy. The background of durable aluminum adds density and improves the image. The marker background is colored to facilitate quick differentiation between views or departments. Choose from standard colors: L - Blue, R - Red or pick your favorite color. Available in solid, glitter and metallic colors. To mix and match colors, and create a custom color set, send a message immediately after the order is placed with your color preferences. Size - 2-1/2 L x 3/4 W x 7/64 Thick Choose from 1 to 3 initials Aluminum casing Horizontal L & R - 1/2 Arrow - 1 Choose from single L or R markers, or a set of both L & R L & R - 1/2 Lead Character (L/R). Arrow - 1 Size. Overall Marker Size - 2-1/2 L x 3/4 W x 7/64 Thick. Personalize your x-ray markers with 1-3 characters. Capital letters and numbers only. No lower case letters or other symbols available. Set of Left & Right X-Ray Markers, Horizontal. Left BLUE & Right RED Aluminum X-Ray Markers feature a durable aluminum casing and are available in in traditional colors. Right - Red, Left - Blue. Colortrieve's high quality xray markers are designed for x-ray techs, rad techs, radiologists, general imaging staff, laboratory staff, and tech students. Radiology Markers enhance quality control with fewer repeat exams and provide basic, yet personalized image identification. Customized markers include your choice of 2-3 initials or numbers, which will be visible on the xray, so you can easily track who took the image. Customized markers are not eligible for return unless there is a manufacturing defect. Proudly made in the USA and distributed by a veteran owned small business Manufacturer All-Craft Wellman