For Sale: Walther TPH Stainless .22LR Auto. Listed In: ... Walther THP chambered in .22 LR . Made of stainless steel with a Satin finish and Black Walther grips. The TPH is a downsized model of the famous Walther PPK made for an easy to conceal pocket or vest pistol. For safety the TPH still has the single/double action with decocker feature.