8 pezzi alesatore per raccordi per tubi in plastica adatto a trapano standard da 1/2 pollice e 3/8 pollici
PPR50,PPR75,PPR100,PPR125,PPR150,PPR200,PPR300,PPR400（8pcs）. Take occasional breaks during extensive reaming to minimize friction heat and ensure a clean ream. The PVC fitting saver performs optimally at lower RPMs.