I had this installed on a self-made Telecaster. There is some paint chipping on the saddles (see image), but overall, there are no noticeable scratches or stains. The following is a product description: Chrome-finished Telecaster bridge, 10.8mm string spacing, using a steel plate and brass saddles. - Model: BS-TC1S - Finish: Chrome - String Spacing: 10.8mm - Material: Steel Plate / Brass Saddles - Features: In-Tune Saddles - Accessories: Mounting screws Thank you for looking.