ITEM NAME:3Pcs One Side Prototype Matrix PCB Printed Circuit Board 22cm x 10cm L6A4 3Pcs One Side Prototype Matrix PCB Printed Circuit Board 22cm x 10cm L6A4 Product Name : Universal PCB Board Hole Dia(Approx) : 1mm / 0.039" Hole Pitch(Approx) : 2.54cm / 0.1" Size(Approx) : 22 x 10cm /8.7" x 4.0"(L*W) Thickness(Approx) : 1.2mm Package Content : 3 x Universal PCB Board Color : Copper Tone Great for building a prototype of an electronic circuit, single side copper PCB. Referencing numbers printed on four sides for easy reference of individual holes. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm..Great for building a prototype of an electronic circuit, single side copper PCB. Size(Approx) : 22 x 10cm /8.7" x 4.0"(L W). Referencing numbers printed on four sides for easy reference of individual holes.