Lifetime of weekly updated rankings: Which wrench design turns a bolt the most before slipping, or more importantly how do other designs compare to the best one? Today we test open end, flarenut, spline, 12 point and 6 point wrench designs to try and put a nail in the coffin of this debate with the use of our wrench turning robot Pushy. We do not accept any tools shown on the channel from any brand, nor do we take any sponsorships, partnerships, discounts, product placement deals, pre-market brand samples, money, items or compensation of any kind from brands, tool makers or otherwise in the planning or creation of these videos. As always, the creator of this channel is also working in product development for Astro Tools. Always consider multiple sources when looking at a tool! 0:00 What we're testing 1:33 12-point 3:37 Rounded 4:53 Open End 5:58 Flarenut 7:21 Spline 8:48 6-point 9:46 Grade 5 (lil' softer)