Simplex SC ST/ST ST 50/125µm multimode reference cable assembly kit, includes 2 simplex std grade SC to ref grade ST reference cables (2m) 2 simplex std grade ST to ref grade ST reference cables (2m) 2 simplex std grade ST to ref grade ST master cables (2m) 4 ST simplex adapters (zirconia ceramic split sleeves) 2 mandrels (50/125µm)