This black side arm is used on the CoverCradle (F) Series and the CoverCradle II. It attaches to the side of the spa cover and then to the side of the spa.
The straight side arm is a black 1" x 1" tubular piece that's used on both sides of the Gliderite Cover Lifter and attaches to both sides of the spa cover. It is specifically used on the Hot Spring...
The Gas Spring lock is used to secure the Uprite Lifter in the open position attaching to only one gas shock. This part is typically left off when installing the Uprite Cover Lifter unless the spa is...
