set2: 1 x Plastic Box (contains 310 PCS Connector Kit) + 1 x M3 Nylon Hex Spacers Screw Nut Assortment KitUses: used in strong acid place, no rust, light weight Usage: Use the screw and nut to isolation board and the board 1 Good for home electronics prototyping 2 Compatible with For arduino and Raspberry Pi projects 3 Box packaging, facilitate classification management Material: Nylon/PlasticColor: as shownPlastic box size: 130 x 65 x 22mmAccessories total of 120 pcs:Nylon nut M3 20 pcsNylon screws M3 x (20mm) 20 pcsNylon column M3 (6mm + 6mm) 10 pcsNylon column M3 (10mm + 6mm) 10 pcsNylon column M3 (15mm + 6mm) 10 pcsNylon column M3 (20mm + 6mm) 10 pcsNylon spacers M3 (6mm) 10 pcsNylon spacers M3 (10mm) 10 pcsNylon spacers M3 (15mm) 10 pcsNylon spacers M3 (20mm) 10 pcsQuantity30Pcs Connector Housing Female 2 54mm 1x1P20Pcs Connector Housing Female 2 54mm 1x2P20Pcs Connector Housing Female 2 54mm 1x3P10Pcs Connector Housing Female 2 54mm 1x4P10Pcs Connector Housing Female 2 54mm 1x5P10Pcs Connector Housing Female 2 54mm 1x6P10Pcs Connector Housing Female 2 54mm 1x8P100Pcs Jumper Wire Cable Female Pin Connector100Pcs Jumper Wire Cable Male Pin ConnectorPackage Contents:1 x Plastic Box (contains 310 PCS Connector Kit)310 x 2 54mm Connector Kit1 x M3 Nylon Hex Spacers Screw Nut Assortment KitOnly 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