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Breadboard Bench PSU M4 Stud Power Entry Block
A 60 x 46 x 22 mm power entry block that sits next to a breadboard. Two M4 hex-head bolts drop into captured 7 mm hex pockets on standard 19.05 mm (0.75 in) banana spacing to make clamping studs, and a raised rib keeps + and − apart. Clamp the bench PSU's stripped leads and your breadboard jumpers under washers and wing nuts. Two zip-tie saddles at the back take the strain off the PSU leads, so nothing pops off mid-test like alligator clips do, and four 3.4 mm holes let you screw it to an M3-drilled base board.
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