The Shooting Chrony Model F-1 Chronograph is a versatile and high-quality tool for measuring the velocities of firearms, ranging from handguns to rifles and shotguns. This chronograph is lightweight, adjustable, and automatic, making it a convenient accessory for shooting sports enthusiasts. With a folding design and a resistant steel construction, the F-1 Chronograph is a durable and compact piece of equipment that can withstand various shooting conditions. The green color adds a touch of style to this Canadian-made chronograph, making it a practical and reliable choice for any avid shooter.