A MUST-HAVE TOOL: The strong and sturdy screen rolling tool is an essential for re-screening windows and doors. It's incredibly economical and offers great value for both large and small screen repairs. Works with most screen materials. DURABLE CONSTRUCTION: Featuring a wooden handle and convex and concave steel roller wheels, this screen rolling tool is highly durable. The metal wheels withstand abrasion from screen materials, and the wooden handle is easy to grip. EASY TO USE: Installing a screen with this tool makes the job much easier. This essential tool fits comfortably in your hand, and the wheels spin smoothly to roll the screen and spline into the frame. CONVEX AND CONCAVE ROLLERS: The combined screen rolling tool has a 2mm convex (round edge) steel roller on one end and a 4mm concave (grooved edge) steel roller on the opposite end. Features: Length: 22cm Color: Wood color + silver Wheel diameter: 3.85 cm Wheel thickness: 0.25 cm (suitable for: less than 4mm tape) Material: Aluminum alloy + wood Package included: 1 x Yarn pressing wheel special tool