Extra long hex key wrench
Material: 45# carbon steel , 40 cr .
Standard allen key with square head
Long alley key with ball point head
Exra long alley key with ball point head
Normal long alley key with square head
Size: M1.5 M2 M3 M4 M5---M32 mm
1/16'' 5/64'' 1/8''----3/4''
Also we can make special allen keys according customer'samples and drawings .
Allen key & Alley key set
Alley key size
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