Matthews Baby Drop-Down Pin. CAT 427804. Drop Downs are most commonly used on Lighting Booms. The pivoting mounting allows the use of a light box, or other lighting instruments to maintain a horizontal position regardless of the angle of the boom. The 45ﾺ Angle Drop Down is primarily used with reflectors to allow their use at lower angles than most stands permit. 5/8" Pin and receiver. Weighs 1.25 lbs.