LiftMaster MA021A Nylon Arm Nuts Kit (Qty 50) solar-harness Designed for residential garage access

Designed for residential garage access doors

while soft start/stop features minimize wear and tear

or will not operate during outages

including keypads

High-strength V-belt construction for smooth power transmission

LiftMaster MA021A Nylon Arm Nuts Kit (Qty 50) solar-harness Designed for residential garage accessReplacement Nylon Arm Nuts for Mega Arm Operator Arms The LiftMaster MA021A is a replacement 5 16 inch nylon arm nuts kit used on LiftMaster Mega Arm operator arm assemblies. This set is intended for service and repair when arm hardware is worn, missing, or damaged. Always confirm fit using your operator manual or parts diagram before ordering. Key Features Replacement nylon arm nuts for LiftMaster Mega Arm operator arm hardware 5 16 inch size for