the cap is 4 inches in length and welded to the support arm

Bradley S81-002 Packaged Curtain Rail Replacement Part

Eagle Model 1947LEGS 45 gallon Tower Safety Cabinet has the functional benefit of 4" legs that allows you to place cabinets over HVAC floor or baseboard vents

System Pressure Drop (PSI)5 10 15 20 25 30 35 40

Nidec US Motors C100P2CS Coro-Duty 3-Phase Motor, 100 HP, 3-Phase, 1800 RPM, 460V, 405TS Frame Height-26" the cap is 4 inchesFeatures: 40 degree C ambient, Corrosion & chemical resistent paint Item: Hazardous Location Motor, Motor Type: 3 Phase, HP: 100, Nameplate RPM: 1800, Voltage: 460, Frame: 405TS, Enclosure: Totally Enclosed, Rotation: CW CCW, Hz: 60, Phase: 3, Speeds: 1, Service Factor: 1. 15, Insulation Class: F, Bearings: Ball, Base: Rigid, Shaft Type: Key, Shaft Number: 1, Shaft Length: 4. 5", Shaft Height: 10", Shaft Dia.: 2. 125", "C" Dim: 35, Thermal Protection: