This is an FRT-4 with black parts. The studs, arm, and sustain block are missing. It has scratches, but it has been disassembled and cleaned. There are no issues with its operation. 【High-Performance Tremolo System】 FERNANDES' FRT TREMOLO SYSTEM is a tremolo bridge that provides high precision and stability. 【Durable Design】 The sturdy metal construction is designed to withstand long-term use. 【Easy Installation】 It can be easily installed on a guitar and can be used immediately. - Brand: FERNANDES - Model Name: FRT TREMOLO SYSTEM - Type: Bridge