THK Slide Packs model FBW-XR is an LM system in which a precision press molded slider that contains balls performs infinite straight motion.The THK Slide Packs used in combination with a slide rail, the Slide Pack achieves lightweight and compact design and smooth straight motion. THK Slide Packs help to optimal for a variety of light load slide parts used in equipment such as photocopiers, tool cabinets, various electronic device cabinets, vending machines, manufacturing machinery slide covers, cash registers, and curtain walls.