1.1L PCB for drilling machine; 2.good quality,reasonable price; 3.quicker delivery; 4.better ... free Materials(RoHS Compliant)/CEM-3/CEM-1/AluminiumLayersingle layer,double layer,multi-layer(4-10)Board Thickness0.3mm-3.0mm,+/-0.1mm ... ,ROHS,UL, Welcome to visit WALBOND ! 1L PCB for drilling machine