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What’s the difference between hand operated and tool operated quarter turns Turnlock?

The difference between hand-operated and tool operated quarter turns, is the head style and way in which the turnlock is turned.

if you turn by hand is hand-operated and if a tool is necessary to turn is tool operated

 

Hand-operated quater turns Turnlock head styles are : Fixed Wing Head, Offset Fixed Wing Head, Folding Wing Head, Folding Bail Handle, Folding Ring Handle, Plastic Star Form Head, Plastic Wing Head, Knurled Head, Plastic Triangular Head, Push Button

Tool operated quarter turns Turnlock head styles are: Slotted Head, Cross Recess Head, Hex Head,  Hex Recess Head, Square Head.

See below some samples examples:

hand-operated and tool operated quarter turns Turnlock