10Pack Rubber Guitar Strap Lock Blocks Keep your strap secure and protect your instrument with these rubber strap lock blocks. Each pack includes 10 flexible blocks that slip over existing strap buttons to lock the strap in place without modifying your guitar. Key benefits Secure hold: Fits over standard strap buttons to keep the strap end from slipping off during play. Soft and protective: Stretchable, lightweight rubber cushions the strap end and reduces noise and wear on the guitar finish. Durable and flexible: Resistant to breakage and everyday wear while remaining easy to install and remove. Simple installation: No changes to existing hardware required. Slip the block over the strap button and attach the strap for a snug, quiet fit. Compatibility and fit Standard size designed to fit most strap buttons. Outer diameter approximately 25 mm 0.98 in. Inner diameter approximately 10 mm 0.39 in. Suitable for most acoustic and electric guitars. What you get 10 pieces rubber guitar strap lock blocks Color options: Black or Blue Package weight approximately 15 g Typical use scenarios Live performance: Prevent strap slips during active stage movement for safer playing. Travel and transport: Add extra security when moving your guitar between locations. Maintenance and replacement: worn or missing strap lock blocks without changing strap buttons or hardware. Notes Allow 1 to 3 mm variation due to manual measurement. Product color may vary slightly from images because of monitor differences.