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 socketsBits are made from S2 steel to meet or exceed torque specificationsSockets are made from heat treated chrome vanadium steel for strength & durability