Easy to use, just put the crimps on the tool and crimp them, make crimping the insulation all the way to the wireRange of use Compatible with for Arduino and connectors with pins and plugs, such as 3d printer boards, etc.Includes storage box 560 pcs. JST dupont connector kit, All kits are in a transparent box for storage and carrTin plating, internal pure copper to increase conductivity, surface coating antioxidant, increase life.Male / female pin - full variety;All kits are in a transparent box for storage and transportColour:WhiteMaterial:ABS + metalPackage Contents:20Pcs*JST 2.54mm XHP-2 housing20Pcs*JST 2.54mm XHP-3 housing20Pcs*JST 2.54mm XHP-4 housing20Pcs*JST 2.54mm XHP-5 housing20Pcs*JST 2.54mm B2B-XH-Athrough-hole type shrouded header20Pcs*JST 2.54mm B3B-XH-Athrough-hole type shrouded header20Pcs*JST 2.54mm B4B-XH-Athrough-hole type shrouded header20Pcs*JST 2.54mm B5B-XH-Athrough-hole type shrouded header200Pcs*(2.5mm)*JST-XH Female Pin Connector200Pcs*(2.5mm)*JST-XH Male Pin ConnectorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.