- Floyd Rose AxLabs APTCBR; locking spring claw for Tremolo Systems, locks the springs for optimized vibration transmission, solid brass construction, 4 times the mass of a standard tin claw, prevents slipping of the springs when using the tremolo, adjustable solder lug, Tone Claw (1x), Tremolo springs (4x), Phillips-head claw mounting screws (2x), brass EUR 88.00 - See more - Buy online