These jamb liners are for the Semco NRG-SVR window replacement tilt packs: Meaning this style window was originally put into your existing window frame opening when purchased and was installed as sash and liners only (no frame). These are for windows that have a compression tilt (meaning no easy tilt feature) liner. See picture above showing that you have to compress liners to get sash to tilt in. The pocket space on jamb that liner fits into is 3 ¼ wide. These liners are for current style Retro fit windows (meaning sash only with no frame) Jamb liners are sold in sets only and include (1) left & (1) right liner which come complete with block & tackle balance already installed. Also Comes with (2) new left hand tilt pins and (2) new Right hand tilt pins. Sizes are based off visible glass width & height of unit. (Always width first) Special order No returns. PLEASE NOTE THAT THESE JAMB-LINERS ARE OBSOLETE AND WHILE WE CAN STILL OBTAIN THESE LINERS TO REPAIR YOUR WINDOWS, THEY ARE MADE OUT OF THE COUNTRY AND TAKE 8-10 WEEKS TO GET , NO EXCEPTIONS.
NOTE: These liners are only available in White