The pin type racing heel plug is made of solid turned Delrin, which ensures that friction between baseplate and heel plug is minimized. The fittings below are used on Optiparts school and racing spars but they can also be used as replacement for several other school and racing spars.
All diameters given are outside tube diameters.
EX1255 Heel plug, Delrin, for racing mast, pin or cup type. EX1257 Heel plug, heavy duty, for silver and school mast. EX1270 Sprit ends for standard 25 mm sprit. EX1271 Sprit ends for racing 27 mm sprit. EX1276 Outboard end for 32 mm std.