Model 5450. Here is a nice Proto ratchet. Overall good condition with a user mark in shaft above handle. Overall about 16" long.
Proto 1" Drive - 7 1/2" Extension
Proto 1" Drive Air Impact 6" Extended Anvil Breakaway Torque 2500 ft-lbs.
Proto 1" Drive 1-7/16" Impact Socket 6PT listing B
Proto 1” Drive 3 1/18 Impact Socket. B618
Proto 12” Groove Joint Pliers w/ Grip Tethered J264SGXL-TT USA NEW
Proto 1" Drive 2" Socket 6PT 10032 listing B