Metric tailpiece mounting studs Made in the USA Plated steel Qty 2 METRIC M8 x 1.25 threads Fits many import(Asian) guitars(ie, Epiphone) Overall Length is 1 3/8"(35mm) and threaded section is slightly under 7/8" (22mm) Fits tailpiece with ears thickness of 5/16"(8mm) and under(please check before ordering)