[ Connector Kit] 620 Pieces Male and Female JST SM Connector Assortment Kit for DIY Projects[Pin and Pin Spacing] JST SM 1/2/3/4/5/6 Pin Terminal, 18-26 AWG Wire, Pin Spacing: 2.54mm[Easy to ]Just put the crimper into the tool and press so the insulation of the crimping layer is all the way towards the wire[Scope of ] with and breadboard style pin connectors and sockets, such as 3D printed boards, etc.[Set includes] 1 wire crimper, 200 female crimp pins; 200 male crimp pins; 10 pcs 2x6p, 10 pcs 2x5p, 10 pcs 2x4p, 10 pcs 2x3p, 10 pcs 2x2p, 20 pcs 1x6p, 20 pcs 1x5p, 20 pcs 1x4p, 20 pcs 1x3p, 40 pcs 1x12p, 50 pcsColour:blackMaterial:Plastic + MetalPackage Contents:620 x Connector KitOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.