WRS Caldwell Series 50 Spiral Balance for Tilt Windows-3/8", 20" Length, Blue Tip(12-22 lbs)-Durable Laser Welded Aluminum Tube for Smooth Window Operation in Residential & Commercial Tilt Windows

Enhance the performance of your tilt windows with the Caldwell Series 50 Slim Pencil-Type Insul-Tilt Spiral Balance, designed for residential and commercial applications. With its compact 3/8" diameter tube and precision spiral mechanism, this balance delivers consistent sash support and smooth, effortless operation. Engineered for versatility, the Series 50 is available in a range of lengths and weight ratings, offering a practical and cost-effective solution for replacing worn or broken balances without the need for full window replacement. Series 50 Insul-Tilt Features: Slim 3/8" diameter pencil-type tube Lengths available: 10" to 45" Weight capacities: 4–34 lbs (color-coded tips) Sold individually (hardware/accessories not included) Quick, DIY-friendly installation with basic tools Selection Guide: Measure only the metal tube (exclude spiral and tip) Confirm tube diameter (3/8") Match tip color to sash weight rating Contact WRS for non-standard sizes or specialty applications Whether you’re a homeowner handling a quick repair or a contractor maintaining multiple properties, the Caldwell Series 50 Insul-Tilt delivers an affordable, durable, and easy-to-install solution. For more than 30 years, WRS Window Repair Systems has been the trusted source for dependable window hardware nationwide. Choose the Series 50 Insul-Tilt Spiral Balance for proven performance and lasting value.

• UNIVERSAL TILT WINDOW COMPATIBILITY – Designed for tilt-style windows with a 3/8" spiral balance tube, this Series 50 Insul-Tilt model fits both residential and commercial applications. This version measures 20" length with a Blue Tip calibrated for 12-22 lbs sash weights.
• AVAILABLE IN MULTIPLE LENGTHS – Offered in lengths from 10" to 45" with color-coded coupling tips (White, Red, Blue, Green & Yellow) to cover sash weights from 4–34 lbs. Choose the exact size and tip color for your window requirements. Balances are sold individually; accessories not included.
• DURABLE CONSTRUCTION – Built with high-quality materials engineered to withstand repeated daily use. The spiral mechanism provides consistent sash support, ensuring smooth and dependable operation over time.
• EASY DIY INSTALLATION – Direct-fit replacement hardware for 3/8" spiral balances. Installs quickly with common hand tools and includes simple instructions—no professional service required.
• TRUSTED SINCE 1989 – WRS Window Repair Systems has over 30 years of experience supplying reliable, high-quality hardware. Trusted nationwide by homeowners, contractors, schools, and property managers for dependable repairs and long-lasting performance.