![Springfield 2-3\/8" Adjustable Mainstay Package w\/Locking Swivel Slide [1250150-L1]](https://cdn11.bigcommerce.com/s-ivfdlaahhy/images/stencil/600x600/products/19757/26025/111099XL__94227.1769781881.jpg?c=1 "Springfield 2-3\/8\" Adjustable Mainstay Package w\/Locking Swivel Slide [1250150-L1]")
![Springfield 2-3\/8" Adjustable Mainstay Package w\/Locking Swivel Slide [1250150-L1]](https://cdn11.bigcommerce.com/s-ivfdlaahhy/images/stencil/1280x1280/products/19757/26025/111099XL__94227.1769781881.jpg?c=1 "Springfield 2-3\/8\" Adjustable Mainstay Package w\/Locking Swivel Slide [1250150-L1]")
Description
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-ivfdlaahhy/images/stencil/400x400/products/19756/26024/111098XL__50559.1769781879.jpg?c=1 "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-ivfdlaahhy/images/stencil/400x400/products/19758/26026/111100XL__05053.1769781884.jpg?c=1 "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-ivfdlaahhy/images/stencil/400x400/products/19370/25580/110577XL__99698.1769780768.jpg?c=1 "Springfield 2-7\/8\" Heavy-Duty Adjustable Mainstay Package w\/Slide [1250301]")
![Springfield Trac-Lock Swivel\/Slide Non-Locking Mount f\/2-7\/8" Post [1100521-L1]](https://cdn11.bigcommerce.com/s-ivfdlaahhy/images/stencil/400x400/products/14696/18538/98983XL__26620.1769766129.jpg?c=1 "Springfield Trac-Lock Swivel\/Slide Non-Locking Mount f\/2-7\/8\" Post [1100521-L1]")
![Springfield 2-3\/8" Plug-In Locking 3-Piece Pedestal Package - 12" [1300712-L1]](https://cdn11.bigcommerce.com/s-ivfdlaahhy/images/stencil/400x400/products/19792/26073/111141XL__65038.1769781990.jpg?c=1 "Springfield 2-3\/8\" Plug-In Locking 3-Piece Pedestal Package - 12\" [1300712-L1]")