Purchased new in 2024 and used only at home, this is a PRS-style Musiclily Ultra 10.5mm tremolo unit bridge. The tremolo arm is a genuine PRS part. Everything in the photos is included. Hex wrenches (inch size) are not included. There is no outer box. [Product Overview] The knife-edge + notched mounting screw design provides a superior tremolo system, and the 41.5mm brass full block provides more sustain. Brass saddles, plate and full block, stainless steel mounting screws, all made with precision CNC digital control machining technology. Shipping is planned via Yu-Packet Plus. Please note that it will be delivered to your mailbox.