SPEAKER SPIKE SP 10 8 pieces Reasonably prised spike, black, height adjustable spike, consisting of spike with thread (M8), locking nut and drive-in sleeve total length 43 mm, thereof 15 x 10 mm for the sleeve. Spike for large and very heavy speakers. Height adjustment up to 10 mm. With central lock screw and centering. Load: 250 kg at 80 mm height.