Selmer Fiberglass Tempo Director Batons 14 in. Tapered Handle Fiberglass Tempo Director Batons 14 in Tapered Handle Made from durable, flexible fiberglass, these amazingly light tempo batons feature tapered or pear-shaped handles of a synthetic rubber-like material Made from durable, flexible fiberglass, these amazingly light tempo batons feature tapered or pear-shaped handles of a synthetic rubber-like material