![Springfield 2-3\/8" Adjustable Mainstay Package w\/Locking Swivel [1250100-L1]](https://cdn11.bigcommerce.com/s-2vfwgyus8b/images/stencil/1280x1280/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 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]")
2-3/8" Adjustable Mainstay Package with Locking Swivel
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.
Specifications:
- Adjusts: 14" to 20"
- Seat Mount: 3100031-LAR1
- MPN:
- 1250100-L1
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![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 2-7\/8" Trac-Lock III Locking Swivel [1100021-L1]](https://cdn11.bigcommerce.com/s-2vfwgyus8b/images/stencil/500x659/products/77603/132602/110574XL__74535.1762233097.jpg?c=1 "Springfield 2-7\/8\" Trac-Lock III Locking Swivel [1100021-L1]")