The nylon wheel smoothly install splines on various screens, while the rubber strips hook and metal tool ensures secure, long time screen installations Ideal for homeowners, enthusiasts, and professional installers maintaining aluminum frame window, door screens, or household protections systems Three special tool work synergistically the wooden handle reduces hand fatigue, steel rivets enhances durability, and storage holes keep workspaces organized during screen maintenance projects This 3 piece spline roller tool set features a double head roller, ergonomic handles, and sturdy metal / wood construction, perfect for efficient window screen repair and replacement Use the spline installation set for replacing torn meshes screens, sealing gaps in patios door, or refreshing window screens in residential and commercial space, Manufacturer: HENYGEN