3D-6 BridgeSchaller 3D 6 top mount bridge with adjustable height, intonation and string spacing. Offset roller saddles minimize string breakage while maintaining tuning stability. String spacing can be adjusted between 1 31 32" and 2 7 32" (50mm to 56. 5mm) Heavy and precise construction for maximum sustain. A modern bridge with exceptional styling and playing comfort. Mounting screws, 3mm bridge height spacer and hex keys included.