Guide Rail System Material Cast Iron/ SS For Use With 3WDA 3DWS 3WS 3888D3 3SD 3GV 3MV 3MK Overall Height 38 in Requires 2 in Stainless Steel Guide Rails Lifting Chains and Bails Includes Base Adapter Bolts and Fittings and Upper SS Guide Rail Positioning Bracket Pump Discharge 4 in Flange Rail System Discharge 4 in Flange