Universal spline question

A quick learner from Belgium, WI says:
August 25, 2016
I purchased 59-067 drop in spline. wrong size, does not fit into slot, I need something for a 1/8" slot in a Larson storm window in a closed in sun room. I need to replace some of the glass in the windows and was going to replace the spline also. I just noticed the universal spline on you web site, and was going to try that. Would it work? The 5/16" was way too big.
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Paul from SWISCO responded:
August 25, 2016
Thanks for posting. Sorry to hear you're having trouble with our 59-067. How about our 59-068? Is this what you were referring to? It's a little thinner and lighter. Look it over and let me know your thoughts.
5/16" Frame Drop-in Glass Spline, 25'
5/16" Frame Drop-in Glass Spline, 25'
59-067
$15.22
Universal Glazing Spline, 25'
Universal Glazing Spline, 25'
59-068
$15.95
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