Gibraltar SC-DPC Double L-Rod Platform With Clamp Double L-Rod Platform with Clamp The double L-rod platform was designed to be used with any L-Rod ball-mount to allow tom mounting over a bass drum or all types of stands and rack systems It has an adjustable multi-clamp that fits up to a 1"-diameter tube The double L-rod platform was designed to be used with any L-Rod ball-mount to allow tom mounting over a bass drum or all types of stands and rack systems It has an adjustable multi-clamp that fits up to a 1"-diameter tube