I'm selling this because I bought a new one. I used it for about 8 months. I used locking pins, so there's a 10mm hole and one additional hole. Please check the 5th photo. A guitar strap set made of black leather with an embossed SOLID logo. - Brand: SOLID - Color: Black - Material: Leather - Design: Embossed logo - Length: Set of long and short straps Thank you for looking.