For law enforcement professionals and training programs, this SFST card is an essential tool for conducting standardized field sobriety tests. The card features the word 'MAXIMUM' with the 'X' character missing - a key element in the horizontal gaze nystagmus test. Made from thick, black metal that's bend-resistant, this card is built to withstand regular use in the field. The BRHV-B-1 model includes all the necessary clues and follows the standardized procedures developed for detecting impairment. Whether you're training new officers or need a replacement card for your kit, this durable SFST card ensures you're conducting tests properly and consistently. The metal construction means it won't warp or damage easily in your gear bag, and the clear printing makes it easy to read in various lighting conditions. Having reliable, professional-grade testing equipment is crucial for accurate results, and this SFST card delivers exactly what you need for proper field sobriety testing procedures.