• (10) Triple Square Spline Bit Sockets: 
• M4 1/4” Drive (ATD-232) 
• M5 1/4” Drive (ATD-233) 
• M6 1/4” Drive (ATD-234) 
• M8 3/8” Drive (ATD-235) 
• M9 3/8” Drive (ATD-236) 
• M10 3/8” Drive (ATD-237) 
• M12 3/8” Drive (ATD-238) 
• M14 3/8” Drive Tamperproof (ATD-239) 
• M16 1/2” Drive Tamperproof (ATD-241) 
• M18 1/2” Drive Tamperproof (ATD-242) 
• Includes triple square spline 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