4 x Stanley T15 (No Hole) Tamper Proof Torx 1/4" 25mm Long Security Drill Bits
You are buying4 x Stanley NORMAL Torx T15 screwdriver bits. Torx T15 = 3.3mm widest point to widest point. These Torx bits are the normal type Torx bits. I will send the bits loose in a strong resealable bag.