Set of 4 joining clamps for closing cracks in (flat) tops and backs ofstringed instruments, shaped and notched polyamide jaws swivel on nickel-plated steel spindles to conform to nonparallel edges.
Material: Polyamide, nickel-plated steel
Technical Details: Opening: 65-140 mm (2.6"-5.5") / 90-170 mm (3.54"-6.7") / 155-235 mm (6.1"-9.25") / 105-185 mm (4.1"-7.3").