Hammond 1441 Series Steel Chassis with Walnut Side Panels – Hammond 1441-12BK3CWW, The Hammond Steel Chassis Wood Panels, Black 1441-12BK3CWW (178 x 127 x 51mm) are spot welded, heavy-duty construction steel chassis with black powder-coated finish and walnut end panels. Hammond 1441-12BK3CWW Steel Chassis Wood Panels Black (178 x 127 x 51mm)