Schill GT310.RM - Cable drum made of specialty rubber with an auxiliary spool with velcro strap with hole in the core 43mm. Roll over Beethoven... or anyone else for that matter. These are the official cable reels for musicians, soundmen, and broadcasting technicians. The handle is so constructed that there is plenty of room between you and the reel, therefore your legs will never get hit. These reels are resistant to chemicals, gasoline, and oil. All reels are equipped with a brake. They have a large winding core, a cable infeed resistant to bending, and an effective strain relief for sensible cable handling. Models GT310 and GT450 have a reel made of almost indestructible black solid rubber. It is especially recommended for everyday use on stage. Frame made of non-breakable PVC with integrated handle and a locking brake PVC caster with non-breakable side flanges from synthetic rubber made of one piece Detachable control panel with auxiliary winding Colour: Black Approx. 110 m micro cable or 20 m 12 channel multicore