Lheng Double Sided Prototyping Universal Electronic Review

Hole diameter: 1mm / 0.039 inch; Thickness: 1.6 mm / 0.078 inch; Hole Pitch: 2.54mm / 0.1",Grid: about 0.1inch (2.54mm); Thickness : about 1.6mm. The proto boards are thick and double sided. The plated holes are pre-tinned/pre-coppered and very solid which make them very easy to solder components on. Pre-tinned plated holes on the board make it very handy to solder components and sensors for your projects. FITS FOR LARGE, MEDIUM AND SMALL PROJECTS - You can keep them connected for larger projects or snap them to smaller sizes for medium or small projects. Super useful for the hobbyist and professionals; Solder-able Breadboard and lead free etched copper PCB with an anti-tarnish coating to preserve the solderability.