Review on Zulkit Plastic Electrical Junction for Efficient Project Solutions by Derick Johns

small circuit board 555 timer and 5-9 volt regulator. The lids fit perfectly, can be easily modified and are not brittle. I wanted the smallest box for a smaller solder breadboard but big enough to fit a 1000uF electrolytic cap. I had to use a dremel to sand down the left and right sides of the board about 3mm to fit and it fit. I planned for the ckt layouts not to use padding on these pages. Good quality and I will definitely buy them again.