Gibson® ABR-1 Thumbwheels Brass Nickel
Thumbwheel Gibson Standard Series Brass Nickel plated
-Made in the USA
-Set of 2 Brass Thumbwheels with fine knurling
-Fits USA Gibson guitars equipped with ABR-1 bridge
-SAE 6-32 threads
-.109" (2.8 mm) thick and .63" (16 mm) diameter