660 Model Code: AA (part# 660) This item features: -Heat-treated and tempered shank. -Handle resists slippage. -Handle resists oil, gas, and water. -Tip Type: Square. -Tip Finish: Black Oxide. -Handle Material: Plastic. -Shank Material: Black Oxide Vanadium. -Shank Finish: Black Oxide. -Shank Type: Round. -Price is for 1 Each. Model Code  Model Description AATip Size Symbol (Nom):#0, Shank Length:4 in, Screw Sizes:3, 4, Handle Color:Yellow ABTip Size Symbol (Nom):#1, Shank Length:4 in, Screw Sizes:5, 6, 7, Handle Color:Green ACTip Size Symbol (Nom):#1, Shank Length:8 in, Screw Sizes:5, 6, 7, Handle Color:Green ADTip Size Symbol (Nom):#2, Shank Length:4 in, Screw Sizes:8, 9, 10, Handle Color:Red AETip Size Symbol (Nom):#2, Shank Length:8 in, Screw Sizes:8, 9, 10, Handle Color:Red AFTip Size Symbol (Nom):#3, Shank Length:4 in, Screw Sizes:12, 14, Handle Color:Black AGTip Size Symbol (Nom):#3, Shank Length:8 in, Screw Sizes:12, 14, Handle Color:Black