1 EACH: MZS-FS Spare Head with Integral 20M Cable Dual Camera, Forward and side view Full HD with TN and White Light LED illumination with 20m (65') overall umbilical. - Intertest Inc. Part Number: EM17044. 1 EACH: MZS Spare HEAD & UMBILICAL CABLE ASSY (FIBER) Dual Camera, Forward and side view full HD with UV and White Light LED illumination, 30 m (100') overall umbilical. MZ-5 spare head includes upgraded high speed fiber hub. - Intertest Inc. Part Number: EM13058.This is a sole source procurment with the Original Equipment Manufacturer, Intertest Inc. No substitutes will be