Trying to ID Window Balance

Question

length is 27 ,,,plastic base is 1 1/8 inch... Not sure if it is 390  More pointed at tip   Number on it is 2620 with a small v

Bob · Accepted Answer

Thanks for contacting SWISCO. This certainly looks like the S390-27 to me, with a stamp option of 2620. Is there any particular detail that you think may prevent it from working? I can't see any major differences. Let us know what you think.