14 Pezzi Punte a Stella Resistenti alla Manomissione, Acciaio al Cromo Vanadio, T5 - T40 Impact Grad

Tamper Resistant sizes are: T7, T8, T9, T10, T15, T20, T25, T27, T30, T35, T40. The hole in the center in each bit makes it to be tamper resistance.

eBay