Originally sold by NAPA and KD Tools. These are hard to find now. This is my go to tool for valve seal removal. Much easier than the plier type removers. Note; The tool jaws must be able to reach under the bottom edge of the seal.
KD Tools/Napa, Hi-Low Pressure tester For Air Conditioning,Part#2535,Made in USA
KD Tools 2044 7/16" - 1" reamer KD 2044 USA
KD Tools: Flaring Kit w/ Hard Case Complete Set - KD-2199
K-D KD 445 7" Internal Snap Ring Pliers Spring Handle KD Tools Vintage
KD Tools/Big A Tools/Cal-Van,Oil Seal Remover and Installer,Part#492,Made in USA