Ferrule String Bass Rear 3/8 Inch Chrome 5 String 0811375CH

Ferrule String Bass Deep Rear 3/8 Inch Black 5 String 0811385BK

Ferrule String Bass Rear 3/8 Inch Gold 5 String 0811375GD

String Ferrule Bass Deep Rear 3/8 Inch Chrome 4 String 0811384CH

String Ferrule Bass Deep Rear 3/8 Inch Black 4 String 0811384BK

String Action Ruler Gauge Luthier Setup Guitar Bass Instrument Measurement Tool

Ferrule String Bass Deep Rear 3/8 Inch Black 6 String 0811386BK

Precision String Action Gauge Ruler for Electric Bass and Acoustic Guitar Setup