![Springfield 2-3\/8" Adjustable Mainstay Package w\/Locking Swivel Slide [1250150-L1]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/1280x1280/products/48659/66145/111099XL__10276.1762407302.jpg?c=2 "Springfield 2-3\/8\" Adjustable Mainstay Package w\/Locking Swivel Slide [1250150-L1]")
2-3/8" Adjustable Mainstay Package with Locking Swivel & Slide
Package includes 2-3/8″ high-strength anodized aluminum air-powered height adjustment pedestal (500 newton cylinder) with 9″ round anodized base, and locking Trac-Lock™ swivel and slide.
Specifications:
- Adjusts: 14.5" to 20.5"
- Seat Mount: 3100531-LAR1
![Springfield 2-3\/8" Adjustable Mainstay Package w\/Locking Swivel [1250100-L1]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/500x659/products/48658/66144/111098XL__26646.1762407299.jpg?c=2 "Springfield 2-3\/8\" Adjustable Mainstay Package w\/Locking Swivel [1250100-L1]")
![Springfield 2-3\/8" Adjustable Locking Short Mainstay Package [1250250-L1]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/500x659/products/48660/66146/111100XL__35135.1762407304.jpg?c=2 "Springfield 2-3\/8\" Adjustable Locking Short Mainstay Package [1250250-L1]")
![Springfield 2-7\/8" Heavy-Duty Adjustable Mainstay Package w\/Slide [1250301]](https://cdn11.bigcommerce.com/s-e6ht4dde3g/images/stencil/500x659/products/48612/66076/110577XL__13733.1762244668.jpg?c=2 "Springfield 2-7\/8\" Heavy-Duty Adjustable Mainstay Package w\/Slide [1250301]")