Contains 16x class 43 HST power car disk brakes (enough for 2 power cars). Design allows either BSI or Nor Bremse disk brake types to be modelled. Also contains 48x MK 3 coach disk brake inserts (enough for 6 coaches - same insert as contained in pack NTK100). Pack contains 64x disks in total. Pack is suitable for HST New Measurement Train kit - See MK 3 coaches section.