LiftMaster SUB-110 gate opening arm for use with LiftMaster SUB300M and SUB324M underground gate openers to open gates 110 degrees. 

Features:

• For weld mounting
• Bearing supported
• Includes adjustable hard-stops for open and close

What’s Included:

• Ball
• Release Key
• Motor Arm Assy 110
• Door Arm 110
• Connection Arm
• Limit Switch Set
• Motor Linkage