Features:Breadboard is designed for electronic circuit without welding design and manufacture.As a result of a variety of electronic components can be inserted or pulled as needed, eliminating the need for welding.Saving the circuit assembly time, and components can be reused.Rows and columns have corresponding letters and numbers, reduce the mistake handling.It is very suitable for electronic circuit assembly, commissioning and training.Specifications:Breadboard Material: ABSBaseplate Material: AluminumBreadboard Color: WhiteBaseplate Color: BlackTwo terminal strips: 1260 holesFour distribution strips: 400 holesLength: Approx. 21.5cm / 8.46inchWidth: Approx. 13cm / 5.11inchWeight: Approx. 390gPackage Included:1 x Breadboard (Jumper wire NOT included)3 x Terminals1 x Accessory.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.