Your Shopping Cart Continue shopping “Springfield 2-7/8″ Heavy-Duty Adjustable Mainstay Package w/Tension Knob – 9″ Base” has been added to your cart. Item Your Options Quantity Price Springfield 2-3/8" Stowable Post Clips Springfield 2-3/8" Stowable Post Clips quantity $10.00 × Springfield 2-7/8" Heavy-Duty Adjustable Mainstay Package w/Tension Knob - 9" Base Springfield 2-7/8" Heavy-Duty Adjustable Mainstay Package w/Tension Knob - 9" Base quantity $620.99 × Coupon: Apply coupon Update cart Continue Shopping Cart totals Subtotal $630.99 Sales Tax $37.86 Total $668.85 Proceed to checkout