SHARD - Screwless Fixed-Blade Utility Knife Handle, No Hardware

A pebble-smooth fixed-blade handle for standard 2-notch trapezoid utility blades (61 x 19 x 0.6 mm, the common Titan / Stanley-type size). No screws, no magnets, no glue. The blade drops onto two keys that fill its own notches, the cover drops on and slides forward onto two tapered keys, and a printed cam lever along the belly flicks shut over centre and locks the whole handle solid, with no play. See the cutaway for how it works. - 108 x 29 x 9 mm handle; 16 mm of edge exposed for precise cuts…

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