Check the listing for details. Jameco Valuepro WBU-206-R 2390-Point Solderless Breadboard 6.9"Lx5.8"W. Condition: New. Listed at 31.95 USD. 2,390-Point Solderless BreadboardThese long-lasting breadboards feature screen-printed color coordinates suitable for many types of digital and analog prototyping and circuit design. Use AC/DC breadboard power supply, P/N 77682.FeaturesAccepts most electronic components, including integrated circuits and transistors for digital and/or analog circuitry 0.1" hole spacing Pins are identified by numbered rows and columns Ideal for high frequency and low noise circuits One-year warranty Use to breadboard and debug circuit designs Low static, plastic body - CMOS safe Nickel-plated clips designed to withstand up to 5,000 insertion cycles Breadboard strips connect together to form larger working areas Components are easily interconnected using 20-28 AWG wire ( P/N 19290 & P/N 20080) Bus strips: 5 Contact points: 2390Breadboard size: 6.9"L x 5.8"W Baseplate size: 9.1"L x 6.9"W Weight: 1.10 lbs. Recommended AccessoriesIC Extractor Tool Detailed specifications Contact Points: 2390 Terminal Strips: 3 Bus Strips: 5 Binding Posts: 4 Hole Spacing (in.): 0.1 Breadboard Dimensions (in.): 6.88 x 5.75 Base Plate Dimensions (in.): 9.1 x 6.9 Weight (lbs.): 1.017 Packages Supported: DIP