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Item Code: SD Interlock
Dual-Circuit Safety Interlock
With chain-affixed key


Although we offer dual-circuit, Wieland brand interlocks, we will recognize that your shop may use a different brand. We can supply alternate brands or simply order your block without the optional interlock and use the interlock of your choice.

We offer both, a standard, small bodied, interlock as well as a larger, heavy-duty unit. The standard unit is recommended for use with our Hex Jr. Blocks or for lower frequency use of the Hex or MAX Blocks.


This memo is to recommend to you Metal Form Products Ltd. We have worked extensively with both Rob Fleming and Tom Terzakis over the last two years and found them in all ways both professional and extremely committed to our project. Metal Form is supplying Global File with all components required to bring our brake and punch presses into compliance with CSA Z-142 02. They have trained our people to do the installations and are ever ready to assist if we have problems. This project w...

Wm. Ewens
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Metal Form Products
Co. Ltd.

6-1734 Orangebrook Court
Pickering, Ontario, L1W 3G8

TELEPHONE : (1) 905-831-1111

TOLL FREE : 1-888-285-8885