Slaters 7951L - 7mm - 12 x 3.2mm Brass Handrail Knobs. SLATER'S PLASTIKARD LIMITED 7951L - 7mm SCALE - 0 GAUGE - BRASS HANDRAIL KNOBS - SMALL - 12 x 3.2mm - THIS IS THE LENGTH FROM THE BOILER SIDE FLANGE TO THE START OF THE HANDRAIL HOLE BRASS 0 GAUGE Note These take a 30th handrail, of the burr has been removed otherwise a 28th rail needs to be used.
