Includes storage box 560 pcs. JST connector kit, All kits are in a transparent box for storage and Range of use Compatible with for and connectors with pins and plugs, such as 3d printer boards, etc. Tin plating, internal pure copper to increase conductivity, coating antioxidant, increase life. Easy to use, just put the crimps on the tool and crimp them, make crimping the insulation all the way to the wire Male / female pin - full variety;All kits are in a transparent box for storage and transport, Weight: 0.27998707274 Pounds, Manufacturer: Ehwisbe