Manufactured from ABS plastic, these jiffy boxes not only look great, they have been designed to incorporate everything our customers wanted in a constructor's box. Sizes are compliant with industry standards externally and PCB fitting internally. Impervious, dimple-free finish provides good adhesion for screen printing Lids feature a 5mm grid of 'centre punch' type points on the underside for quick, easy and accurate drilling Lids also feature a 10mm grid of scribed lines providing an easy and precise guide for cutting or filing cut-outs PCB guides in the sides of the box have snap-in locators. Eliminates the need for stand-off hardware when mounting boards horizontally Box also has a grid of 'centre punch' type points on the base of the inside Supplied with lid fixing screws To fit PCB (mm) Vertical 50 x 27mm To fit PCB (mm) Horizontal 62 x 49mm