Specifications: Strap width compatibility: 20mm; Watch strap loop overall size: 24 x 8 x 8.5mm (L*W*H); Watch strap overall size: 30 x 23 mm (L*W); Spring bar removal total length: 85mm; 1 x Plastic watch strap buckle; 1 x Spring bar removal tool; 2 x Watch band strap loops. Strap Loops: These silicone fastener rings adopt a non-slip design that can be easily inserted into the watch strap and won't easily fall off, protecting your device. Easy to Use: Use the spring bar tool to press one end of the spring bar and remove the spring bar through the hole on the side of the buckle. Width Selection: Compatible with 20mm wide watch straps. Measure the width of the buckle connection from side to side. Note that many watch bands have a taper, with the narrowest part attaching to the buckle. Note: Please check the size of the strap on the buckle side before ordering. ❣️No comments needed❣️ ❣️Instant purchase OK❣️ This product is listed as "Like New," which means I took it out of the box for inspection, but it is actually brand new and unused. This product was received from an acquaintance. Please make your judgment based on the photos. 7-48-0211