![Springfield 2-3\/8" Adjustable Mainstay Package w\/Locking Swivel Slide [1250150-L1]](https://cdn11.bigcommerce.com/s-2vfwgyus8b/images/stencil/1280x1280/products/77649/132666/111099XL__04472.1762395777.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-2vfwgyus8b/images/stencil/500x659/products/77649/132666/111099XL__04472.1762395777.jpg?c=1 "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
- MPN:
- 1250150-L1
![Springfield 2-3\/8" Adjustable Mainstay Package w\/Locking Swivel [1250100-L1]](https://cdn11.bigcommerce.com/s-2vfwgyus8b/images/stencil/500x659/products/77648/132665/111098XL__36419.1762395775.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-2vfwgyus8b/images/stencil/500x659/products/77650/132667/111100XL__58599.1762395780.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-2vfwgyus8b/images/stencil/500x659/products/77605/132604/110577XL__69585.1762233102.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-2vfwgyus8b/images/stencil/500x659/products/67498/116009/98983XL__97167.1681843407.jpg?c=1 "Springfield Trac-Lock Swivel\/Slide Non-Locking Mount f\/2-7\/8\" Post [1100521-L1]")