- High-quality materials: this piping tool has a solid wood body; the double metal wheels are made of carbon steel. The thickened nylon rollers with a red handle and the plastic wheels rotate smoothly. The rubber rod hooks are made of rubber and steel. The screen repair kit is wear-resistant, waterproof and dustproof and can be used many times. - Double head design and rubber strip hook: the spline roller tool features two rollers with convex and concave designs to help you finish work faster and more accurately. The grid roller is compact and easy to carry. The rubber hook head is sharp for hanging aging rubber strips and is easy to replace with new ones. - 2 wing clips: this double wheel seal roller set includes 2 wing clips made of stainless steel with good elasticity and a smooth touch. They work with the wing spline roller to quickly install the wing into the window slot and hold the wing firmly. - Easy to use: the tool retractor roller sits comfortably in the hand. When in use, the roller aligns with the tape and rolls slowly, allowing you to press the tape into the slot easily. The steel wheels roll very smoothly, and the hooks are sharp enough to unhook aged sashes. - Practical applications: ideal for window sash repair, installation of weatherstripping and wings, and screen repair tasks. Useful for aging rubber strip replacement and reworking sash components in home and workshop settings.