Andoer 3/4 4/4 Cello Tailpiece with 1pcs Tailgut Tailcord 4 Fine Tuners Aluminum Alloy Durable Strong Made of aluminum alloy, designed for 3/4 and 4/4 size cello. Comes with a piece of tailgut. Strong enough to withstand tension of strings. With built-in 4 pieces of fine tuners, to match your need better.