Magnetic Autocontrol 28' White Octagonal MicroBoom XL Arm Only | MAG-MICROBOOM_XLC028 1500 lbs Multiple post-mounting options: 3 inches

Multiple post-mounting options: 3 inches round on the outside

One-button

Move up to 1

The LiftMaster LM21XP Release Device is a UL/ULC listed normally energized fail-safe device designed for use on rolling doors

NEMA 4X rated for superior weather resistance

Magnetic Autocontrol 28' White Octagonal MicroBoom XL Arm Only | MAG-MICROBOOM_XLC028 1500 lbs Multiple post-mounting options: 3 inchesMagnetic Autocontrol 28' White Octagonal MicroBoom XL Arm Only MAG MICROBOOM_XLC028 The Magnetic Autocontrol White Octagonal MicroBoom XL Arm is a 28 foot extended length barrier arm engineered for Magnetic Autocontrol Access XL2 and MicroDrive XL barrier systems. Designed for wide lane vehicle access, this heavy duty Microboom combines strength, visibility, and reliability for large scale applications. Constructed from durable, lightweight material