Salvador Cortez   spare part, trussrod adjustment key

Hosco Japan   phillips head truss rod wrench, adjustment without taking off the neck

Fender Genuine Replacement Part   truss rod wrench, American Series bass, long handle, 3/16"

Mayson   spare part, trussrod adjustment key

Fender Genuine Replacement Part   truss rod wrench, 1/8 hex, set of 12

Boston   allen wrench, 5.0mm, 30.0mm long