Thank you for viewing. This is an opened item. The peg hole is 10mm. It can be attached to instruments with Schaller-type tuners. 【Brand Reliability】 GOTOH is a highly-regarded brand in the musical instrument parts field, and its products are favored by many professional musicians. 【High-Quality Materials】 This machine head is designed for durability and precision, and can withstand long-term use. 【Easy Installation】 Standard installation is possible, making it an ideal choice for stabilizing the tuning of your guitar or bass. - Brand: GOTOH - Product Name: Machine Head - Model Number: SG38107L6C - Barcode: 91668924160