Green Tip Series 400?

A quick learner from sf bay area says:
September 6, 2015
Diameter is 3/8", length of the tube is 25". I believe I need the 400 series but there is no tip color option? Current tip is green.
The second photo shows what the spiral attaches to at the base of the sash. Do I need to purchase anything other than just the spiral balance?
User submitted photos of a window balance.
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Paul from SWISCO responded:
September 9, 2015
I agree, the Series 400 appears to be our best match. We could custom make one with a Green Tip, but before we do that I would like to confirm that that's what's necessary. Can you weigh your sash and tell me how heavy it is? That will allow me to confirm that our Green Tip is what you want.
A quick learner says:
September 9, 2015
Hi Paul,
It weighs right just a little over 20 pounds
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Paul from SWISCO responded:
September 11, 2015
In that case I would recommend the Red Tip, which comes with the S400-25 by default. Two balances with this color can carry up to 22 pounds of weight.
25" Series 400 Spiral Balance
25" Series 400 Spiral Balance
S400-25
$10.37
Wire Charging Tool for Non-tilt Windows
Wire Charging Tool for Non-tilt Windows
75-004
$2.55
Spiral Balance Charging Tool for Non-tilt Windows
Spiral Balance Charging Tool for Non-tilt Windows
75-005
$12.10
How to Identify a Replacement Spiral Balance
How to Identify a Replacement Spiral Balance
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How to choose the proper spiral balance tip color
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How to adjust a spiral balance on a non-tilt window
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