ATD Tools 13775 Tamper-resistant Star Bit Socket Set, 13 pc.

Includes: (13) 6-Lobe Tamper-Resistant Star Bit Sockets: TT8 1/4″ Drive (ATD-140) TT10 1/4″ Drive (ATD-142) TT15 1/4″ Drive (ATD-143) TT20 1/4″ Drive (ATD-144) TT25 1/4″ Drive (ATD-145) TT27 1/4″ Drive (ATD-146) TT30 1/4″ Drive (ATD-147) TT40 3/8″ Drive (ATD-148) TT45 3/8″ Drive (ATD-149) TT47 3/8″ Drive (ATD-150) TT50 3/8″ Drive (ATD-151) TT55 3/8″ Drive (ATD-152) TT60 1/2″ Drive (ATD-169) Includes 6-lobe tamper-resistant star bit sockets Bits are made from S2 steel to meet or exceed torque specifications Sockets are made from heat treated chrome vanadium steel for strength & durability