The Manfrotto 420B Combi Boom Stand in Blackallows you to extend the second riser of this medium duty black aluminum light stand to its maximum by pressing a lever, and you have a stand with a two section boom arm. When used as a boom stand, its maximum load is 4.5 lbs (2 kg) -- strong enough for a small light fixture with a small softbox or umbrella. A sandbag counterweight is supplied (empty) and recommended whenever boom is extended.

Features:

• Sets up easily in a matter of seconds
• Column extension locking collars made from pressure die cast aluminum
• Boom telescopes from 44 to 75.2" (111.7 - 191 cm)
• Double leg bracing provides extra stability giving the stand more strength