Set of 4 spikes from Jeff Roland A spike holder is also included. The know-how on resonance countermeasures cultivated over many years is being used to the fullest (Mizusaki Ryo)
Accessories: original box, instruction manual
Main specifications: spike 32 x 18.5 mm, 21 g/piece, base 32 x 3.5 mm, 21 g/piece