Protective Film: The product surface is covered with a thin film to prevent scratches and damage. Be sure to remove this film before installing the product on the guitar. Country of Origin: China. Compatibility: Compatible with most ST-type guitars. Installation Difficulty: Very easy to install. Weight: Approximately 700 grams per set. 3-layer guitar pickguard: 1. 5-position toggle switch: 1. Potentiometers (1 volume, 2 tone, copper shaft): 3. Single-pole single-throw toggle switch: 2. Additional function of the single-pole single-throw toggle switch.