WRS Caldwell Series 300 Block & Tackle Window Balance – 5/8″ Channel, 27″ Length, Stamp 26-3 (13-19 lbs), Non-Tilt Side-Load Replacement Hardware – Heavy-Duty for Residential & Commercial Windows
| Country | USA |
| Manufacturer | Harper |
| Binding | Kindle Edition |
| ReleaseDate | 2007-07-03 |
| Format | Kindle eBook |