Used brake caliper.  This is a front, RH (passenger's) side.  This is for the standard brakes (12" rotor).  Bleeder is broken, as we open all bleeders to ensure they are not seized, and this bleeder is seized.  Being sold as a core (not working).  Fits the following:

88-94 Corvette (with standard brakes, 12")

The item in the picture is the actual photo of the item being sold.