For sale is a set of Freedom Custom Guitar Research (フリーダムカスタムギターリサーチ) synchronized tremolo unit SP-ST-01 Nickel and tone shift plate SP-JP-03. I used these with a Fender Stratocaster with inch specifications, installing them directly. Each has some signs of use, but they are fully functional. Please check the detailed condition in the photos. 【Included Accessories (unused)】 ・Tremolo arm x 1 ・Hanger mount screws x 2 ・Mount screws x 6 ・Tremolo springs x 5 ・Wrench x 1 【Please Note】 ※The spring hanger is not included as I am using it on another guitar. ※I cannot answer questions regarding compatibility or suitability, so please be aware of this beforehand. 【Reference Price】 ・SP-ST-01 (Tremolo Unit): ¥13,600 (tax included) ・SP-JP-03 (Neck Plate): ¥3,800 (tax included)