This product, 45M, 4 arm is the ideal outdoor rotary dryer for a large household - holding up to 3+ wash loads. It is extremely easy to use with a simple one-handed operation to open and close. The fully enclosed mechanism prevents finger traps and connects with an eight-position line tensioning unit to keep lines taut. The central pole features a revolutionary twist and Lock system providing a strong, quick and easy locking mechanism for easy assembly. For long-lasting weather protection, the arms have a durable zinc plated finish.