Selection of multi-sized proto boards – 31 pieces of double-sided prototype boards of 5 different sizes to meet your demands when designing your Arduino kits, electronic experiments, and DIY projects. （10 pieces 2*8cm, 10 pieces 3*7cm, 5 pieces 4*6cm, 5 pieces 5*7cm and 1 pieces 7*9cm pcb boards).Header connector – 10 pieces 40-pin male header, 10 pieces 40-pin pitch right angle male header, 10 pieces 40-pin female header; pitch: 2.54mm, single row, and straight connector.Screw terminal block – 8 pieces 5.08-301-2p and 5 pieces 5.08-301-3p ; pitch: 5.08mm, rated voltage: 300v, rated current: 16aJumper caps – 30 pieces standard 2.54mm pin spacing circuit board jumper cap in 6 colors, 5 pieces per colorEnvironmental and elegant packaging – compact paper packages take little footprintExcellent PCB Board Kit for Handy SolderingSmraza 104 pcs PCBboard kit including 31 pcs double-sided prototype boards and 30 pcs 40 pins 2.54mm male and female header connector(13 pcs 2p&3p screw terminal blocks and 30 pcs jumper caps).Pre-tinned holes for handy soldering – pre-tinned plated holes on the board make it very handy to solder components and sensors for your projects.Solid quality and great value – high quality of durable glass fiber -fr4 material with 1.6mm thickness makes a very solid and sturdy prototype circuit board
