Check the listing for details. SS1-B TonePros Standard (US Thread) Small Cap (Gibson Size) Locking Stud, Black. Color: Black, Condition: New. Listed at 32.00 USD. SS1-B TonePros Standard (US/Imperial Thread) Small Cap (Gibson Size) Locking Studs, Black Our locking Studs are designed to lock down any wraparound bridge or stop tailpiece. Tonepros locking studs provide 100% of the contact area of the bottom flange, 100% of the contact area of the stud top, no lean, and components that are completely locked solid to the guitar body. SPECS: Thread: 5/16 – 24 US Thread Material: Brass Stud Cap Size: 13mm/.5in Payment Policy Sales Tax will be added if your state requires Shipping Policy Free shipping to the beautiful United States of America (including AK HI and PR) Returns Policy This Item is Brand New and unused Can only accept returns on new and un-opened product