Combination assist. Designed for use on trucks, truck bodies, buses, trailers and industrial use. Standard All malleable Iron. Spring holds assist in open or closed position without rattle. Mounting holes - 4" C to C Back plate - 4 3/4" high - 2" wide Pad - 2 1/8" x 4 3/8" Finish - Galvanized or Polished Stainless Steel Weight - 1 1/4 lbs.