Otis Technology 37mm/40mm Less Lethal Cleaning Kit w/o Soft Case Combo. This kit has specifically designed parts for cleaning your launcher utilizing the Breech-to-Muzzle clean with Memory-Flex cables 100percent cotton patches and brass components. Specifications for Otis Technology 37mm/40mm Less Lethal Cleaning Kit w/o Soft Case: Manufacturer: Otis Technology Color: Combo Fabric/Material: Plastic Quantity: 1 Features of Otis Technology 37mm/40mm Less Lethal Cleaning Kit w/o Soft Case Cleans 37mm & 40mm grenade launchers 100percent cotton 4" patches Oversize bore brush for 37mm & 40mm grenade launchers 30" aircraft grade Memory-Flex cables for proper Breech-to-Muzzle cleaning Multi-purpose tool functions as a t-handle with four bits included:5/32 flat head T20 hex Phillips #0 Phillips #2 Also includes 0.5 fl.oz. Shooters Choice FP-10 Lubricant Elite CLP and instruction manual Package Contents: Otis Technology 37mm/40mm Less Lethal Cleaning Kit w/o Soft Case Otis Technology LFG-3740: 37mm/40mm Less Lethal Cleaning Kit w/o Soft Case Combo