CALLAHAM GUITARS Vintage Tremolo Block / Callaham Tremolo Block. Replacement Block for all pre-CBS and reissue guitars ■ For vintage style ■ Inch standard ■ Contents Block body Screws (3) Instruction manual (English) *Please check the images. I'm not sure when I bought it, but I think it was about 20-30 years ago. Usage history: Fender Eric Clapton Signature Stratocaster Fender Custom Shop 1960 Stratocaster There are some scratches, stains, and scuffs due to aging. Please consider purchasing only if you understand that this is a used item. Due to the nature of the product, please understand that no returns or exchanges are accepted.