This is a new designed and STC’s cargo hook system for the medium Bell Helicopters. It is available with or without the new digital weigh system. Designed and built by Mechanical Specialties Inc., this is the cargo hook of choice for all Bell Medium helicopters in the lift business. Its low cost and very low overhaul and operating cost will surprise you! We install this hook as standard equipment is all our refurbished UH-1H Huey Plus helicopters.