SAE Plain Hex Key, 9/64" Tip Size, 3 15/16 in Long, 51/64 in Short It has a black oxide finish that protects against corrosion and wear. The hex key has a 4 in arm length and an alloy steel blade.
.Eklind's 21171 7 Piece Metric Fold-Up Hex Key Set is a handy tool set that gives you the right tool for your task. 7 Piece Metric Fold-Up Hex Key Set, 21171 Each long arm hex key is made of alloy steel and comes complete with a black oxide finish. Their alloy steel handles provide better grip, especially in wet conditions.