Techpro Tools offers #Butterfly #Wrench for $22.00. Source : http://techprotools.ca/index.php?main_page=product_info&cPath=… | Wrench set, Wrench holder, Car tools
3/8"Sq Drive Butterfly Air Impact Wrench
3/8" Butterfly Air Impact Wrench (75 ft.lb) - 3/8" Butterfly Pneumatic Impact Wrenches (75 ft.lb), Air Impact Gun, Air Torque Wrench, Air Wrench | Made in Taiwan Air tools & Pneumatic Hand
ME IW-38B 3/8" DR. BUTTERFLY WRENCH | Corated Enterprise
High Torque Butterfly Wrench / 25mm
This butterfly knife brand shipped me a “wrench” overseas : r/mildlyinteresting