New old stock see pic
Ammco Self Lubricating Cylinder Grinder Hone + Box. SL-400
Ammco Hydraulic Brake Cylinder Grinder in Box
AMMCO Vintage Engine Cylinder Surfacing Tool Hone Spring Loaded
NOS AMMCO Model 3800 Cylinder Hone 2” To 7”
Vintage Ammco 1741 Brake Cylinder Hone Stones - 3 Pcs Partial Set With Case
Vintage AMMCO Model 3800 Cylinder Surfacing Hone Range 2" - 7"