Magnetic Autocontrol Barrier Arm Skirt Length Up to 20' (Skirt Only) sea surf 450 24V H K041B0996-1 is a Postal Lock

K041B0996-1 is a Postal Lock Switch Replacement Kit

1 Support Box in regular or stainless steel

This provides additional security above and beneath the closed barrier arm (Microboom XL only)

reducing stress on the barrier mechanism and ensuring smooth

LiftMaster 20-1100

Magnetic Autocontrol Barrier Arm Skirt Length Up to 20' (Skirt Only) sea surf 450 24V H K041B0996-1 is a Postal LockMagnetic Autocontrol Barrier Arm Skirt Length Up to 20' (Skirt Only) The barrier arm skirt provides additional security above or underneath the closed barrier arm. This part has a skirt length of up to 20 ft. with 51" or 70" over climb protection. This provides additional security above and beneath the closed barrier arm (Microboom XL only). Note: It must be used with a support post. Supports are sold separately. Manufacturer's Warranty Period 1 year