As has been noted on Internet forums, Gibson® drills holes for their ABR-1 bridge studs approximately 1″ deep, but uses short bridge studs which are only inserted about half that depth. When using longer studs that “bottom out” in the holes, improvement in tone has been reported. Faber® is happy to introduce our new steel “ST-XL” 1.5 inch long studs for ABR-1! This is a simple “remove and replace” modification that can enhance the tone of your ABR-1 equipped Custom Shop guitar! Available in unplated (use with gloss or aged nickel parts) and gloss/aged gold plated stainless steel (studs only – keep your existing thumb wheels).
For “new builds,” the ST-XL studs are a good choice when going for historic accuracy. Thumb wheels NOT included (available separately).