Channel Balance Replacement Needed

A quick learner from Fullerton, CA says:
The stamping making is 29 per photo, the total metal stem is 30 inches. Which part number should I order? Also do you sell the clip that goes into the window side, as I am missing one?

I also need to order similar with the stamp marked as 33 and the metal length is 34 with similar ends per attached photo; again what is the part number to order.

Thank you

Geno
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Emily from SWISCO responded:

Hi, Geno.

Based on what I see here, you could have either our S380-30 or S385-30 . These two balances look similar but the best match depends on the size of the bottom shoe. The Series 380 has a 1" deep shoe and the Series 385 has a 1-3/32" deep shoe. You'll need to measure as shown below to see which one matches best. You will also need the 2930 strength option, based on your 29 3 stamp. 

As for the 34" balance, can you show me the stamp on the metal channel for that? If it has the same end fittings as the balance you show here, see our S380-34 or S385-34 depending on the bottom shoe depth.

Comparison of the S380 and S385 balance shoes.
Comparison of the S380 and S385 balance shoes.
A quick learner from Fullerton, CA says:
Emily
Thank you for your reply.
Regarding the 33 stamped channel balance which is 34 " from metal-to-metal measurement, what will be the strength option to order*see attached picture for stamping? Per earlier email I need the S385 .

Thanks
Geno
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Emily from SWISCO responded:

For this 34" balance, you'd want the 3330 strength option. All orders can be placed directly on our website whenever you'd like!

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