Bahco flare nut end insert is fixed to the torque wrench by a spring-loaded retractable pin.

Insert is fixed to the torque wrench by a spring loaded retractable pin  | Range covers in 9×12 receiver from 10 to 24 mm openings, from 3/8 to ¾ inch openings, from 9 to 96 N.m  | Sizes with * in torque length require target torque setting calculation