5/8" Top Sash Guide

Plastic parts at the end of the metal channel. the number 36c is stamped on the metal channel. I also need to purchase the metal pop rivets and rivet tool to install the plastic parts.The window brand is Weather Shield from Medford, Wisconsin.

I need four of these. They measure 1-1/8 x 6/8 on the top and are 2" long. Please provide part number

Channel marking: BSI 3440 Channel width: 1/2" Home built in 1996, most likely original windows

this part attatches to the window and connects to the balancer hardware

Channel length 34",channel width 9/16", stamping "3340" and either "3S1" or "BSI" and "CJ". Plastic or nylon end pieces do not have wings. Sash weighs 34.3 lbs. and measures 38-1/2" wide x 36" high. Need Qty (2) balances, plus the plastic mating parts that are mounted on the sash (see last attached ... (cont.)