Handy little hex driver.
3/32" Balldriver by Bondhus, made in USA. Lifetime warranty. This is a nice ball-point hex screwdriver, made of hardened Protanium® high torque steel, and with an ergonomic rubber grip. The ball end allows you to drive hex socket screws at an angle up to 25 degrees from vertical. If you have an Eggbot: There is a perfectly fine 3/32" L-wrench that comes with the kit, for tightening the couplers and collars. But, this is a nice upgrade from that one. It fits 10-32 set screws, like the ones found in the aluminum pen arm backer, and the (aluminum) precision egg coupler.
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