1/2″ Dr. x 19mm x 21mm Deep Thin Wall Flip
Interchangeable Part Numbers:
167-12912, TI1291DT, TMRTI1291DT
MT-RSR Insights:
This deep flip socket has a 19mm hex on one side and a 21mm hex on the other. A 1/2″ drive works on this socket. Thin walls mean this socket can access tighter spaces.








