The Gold Guitar Roller Tree Retainer 2 Pcs 1 Set is a set of metal strings tree retainers designed to hold the strings securely in place on the neck of an electric guitar. With a beautiful gold color and a durable metal construction, these roller tree retainers are essential for any guitarist looking to keep their strings in place and improve their performance. Made in China, this set includes 20 units to ensure you have extras on hand for any replacements that may be needed.