Pirastro Rosin Cello 9011。售價 HK$90，有貨。Pirastro Rosin Cello 9011 is designed to pair with steel cello strings. Pirastro Rosin Cello utilizes a harder rosin formula for cello strings for a brighter cello sound. Handmade in Germany, Pirastro Cello Rosin 9011 i…