Coil spring balance

A quick learner from Owings, md says:
Can you please help me ID the attached? It measures 1 1/4" W x 1 1/2" H and is 1/2" Thick
Thumbnail of the uploaded file named RRH COIL BALANCE 1.jpg
Thumbnail of the uploaded file named RRH COIL BALANCE 2.jpg
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Tom from SWISCO responded:

I sure can. That pivot shoe looks to be a match for our 15-177, which is designed to use our 1/2" thick Series 152 coil spring. 

You should be able to reuse your old retainer, but if not then you can use our newer style 15-143 bushing, 15-144 bushing cap, and 15-145 bushing drum. These three parts work together to kind of sandwich over the coil spring.

Let me know if you have any questions.

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