●PCB Board: 34 pcs double sided PCB prototype boards in 6 different sizes, 10 pcs 2*8cm, 10 pcs 3*7cm, 5 pcs 4*6cm, 5 pcs 5*7cm, 2 pcs 6*8, 2 pcs 7*9 PCB boards. ●Resistors: 10 kinds of resistors, 10Ω, 100Ω, 220Ω, 330Ω, 1KΩ, 2KΩ, 5.1KΩ, 10KΩ, 100KΩ, 1MΩ, 10pcs of each one.ed PCB prototype boards in 6 different sizes, 10 pcs 2*8cm, 10 pcs 3*7cm, 5 pcs 4*6cm, 5 pcs 5*7cm, 2 pcs 6*8, 2 pcs 7*9 PCB boards. ●Header Connector: 5 pcs 40 pin male header, 5 pcs 40 pin pitch right angle male headers, 5 pcs 40 pin female header; pitch: 2.54mm, single row and straight connector. ●Screw Terminal Block: 5 pcs 5.08-301-2P and 5 pcs 5.08-301-3P ; pitch: 5.08mm, rated voltage: 300V, rated current: 16A. ●Quality:Durable Glass Fiber-FR4 Material (Thickness 1.6mm) is A Very Solid and Durable Prototype Circuit Board,174 pcs components in 1 kit, all of the items are put in a plastic box. Package list of 1 set: 2x8cm Prototype PCB board * 10 3x7cm Prototype PCB board * 10 4x6cm Prototype PCB board * 5 5x7cm Prototype PCB board * 5 6x8cm Prototype PCB board * 2 7x9cm Prototype PCB board * 2 40 Pin male header connector * 5 40 Pin pitch right angle male headers * 5 40 Pin female header connector * 5 5.08-301-2P * 5 5.08-301-3P * 5 Jumper caps * 5 Nylon column screws * 10 Resistor 10Ω * 10 Resistor 100Ω * 10 Resistor 220Ω * 10 Resistor 330Ω * 10 Resistor 1KΩ * 10 Resistor 2KΩ * 10 Resistor 5.1KΩ * 10 Resistor 10KΩ * 10 Resistor 100KΩ * 10 Resistor 1MΩ * 10 Plastic box * 1