Check the listing for details. Screen Tight Roller Knife Screen Spline Roller & Trim Blade, Dual Screening Tool. Color: Yellow / White, Condition: New. Listed at 4.00 USD. ***** Brand New in Package ***** About This ProductThe Screen Tight Rollerknife is a professional screening tool perfect for the installation of spline and screen. This tool is ideal for screening projects of all sizes and features a roller wheel with ultra-smooth movement and a convenient built-in retractable blade. Highlights2 tools in 1-screen spline roller and trim bladeWorks with all spline sizes and shapesDouble action retractable locking blade2 tools in 1-roller wheel for spline installation and a retractable blade for screen trimmingProfessional roller tool for screen installation on porches, windows and screen doorsUsed to roll spline into screening frameworks to securely lock screen into placeSmooth rolling movement enables quick and easy screen installationBuilt-in retractable blade for quick trimming of screen and splineHeavy-duty, ergonomic handle to reduce muscle strainReplaceable trim blade uses Stanley replacement blade #11-983 Rollerknife by Screen Tight | Spline Roller & Trim BladeThe Rollerknife by Screen Tight offers professional-grade precision for spline and screen installation. Tailored for projects of any size, its smooth roller wheel ensures effortless maneuverability, while the integrated retractable blade adds convenience.Rollerknife BenefitsDual Functionality: Combines a screen spline roller and a trim blade into one versatile tool.Universal Compatibility: Compatible with all spline sizes and shapes, ensuring versatility for various projects.Double Action Blade: Features a retractable locking blade that offers precision trimming and enhanced safety.Professional Grade: Ideal for professional use in screen installation for porches, windows, and screen doors.Secure Installation: Facilitates the rolling of spline into screening frameworks to securely lock screens in place.Effortless Operation: Smooth rolling movement enables quick and easy screen installation, enhancing efficiency.Built-in Retractable Blade: Includes a retractable blade for swift trimming of screens and spline, ensuring convenience.Ergonomic Design: Features a heavy-duty, ergonomic handle designed to reduce muscle strain during prolonged use.