【Secure Guitar Strap Locks】Miwayer Guitar Strap Locks prevent drops with Strap Retainer System. Locking guitar strap buttons secure strap to guitar strap button firmly. Stage jumps safe. Guitar Strap Locks system keeps instrument attached.  【Quick Release】One-button Quick Release detaches strap instantly. Reinsert locks securely. This guitar strap lock design simplifies gear changes. Quick Release saves time between sets.  【Durable Alloy Copper Straplocks】Alloy copper core provides superior durability for strap locks guitar use. Guitar strap button connections remain strong under heavy stress. Locking guitar strap buttons resist wear.  【For Bass，Acoustic and Electric Guitar】Universal fit for electric guitar, bass strap locks, and acoustic guitar strap button. Works with bass guitar strap locks or strap locks bass guitar setups. Two Quick Release locking guitar strap buttons included Meet your daily needs.  【Installation And Specs】Metal guitar strap locks with silicone washer. 5cm length, 2cm diameter, 18g. Ideal for stage, rehearsal. Install: replace endpin, mount base with washer, insert lock until click. Strap Retainer System provides extra security.