Please check the photos out. I’ve never used a tool like this but it looks to be in descent shape. It has a lot of accessory pieces with it which after looking at others I believe there’s more than what would have come originally in the kit.
Ammco Self Lubricating Cylinder Grinder Hone + Box. SL-400
Vintage AMMCO Model 500 Self-Lub. Cylinder Hone Kit w/ Box & Stone Carriers
AMMCO Self Aligning Nut 911225 NOS-NOT Aftermarket for AMMCO Bench Brake Lathes
Ammco Self Aligning Nut (11227) & Long 6.5" Stud Kit (3000,4000,3850,7000,7500)
Ammco Hydraulic Brake Cylinder Grinder in Box
AMMCO 500 PORTABLE CYLINDER HONE Replacement Part See Pic