Feature: 1. Versatile Compatibility: This ceiling scribe carpentry jig set is designed for use with 15mm, 16mm, 17mm, and 18mm boards, making it an essential tool for various woodworking projects. Whether you're crafting furniture, installing cabinetry, or working on kitchen fixtures, this jig set adapts seamlessly to your needs. 2. High Efficiency: This woodworking carpentry jigs set effectively addresses the issues of maintaining a long filler in place while you work alone, enabling you to accurately position materials without needing extra hands. 3. Easy To Use: With a straightforward design, this furniture fitting tool makes it easy to connect, slide into position, and mark your materials, no complicated setups required! Just slide the jig into place and use it to draw accurate lines directly on your workpiece, saving you time and effort. 4. Accurate Marking: The toe kicking tool allows for direct marking on materials such as walls, floors, ceilings, and moldings. This feature ensures accurate alignment and cuts, resulting in a professional finish for all your carpentry projects. Get clean lines and accurate measurements every time, enhancing the quality of your workmanship. 5. Rugged Construction: Made from excellent ABS material, this scribing filler is built to withstand the rigors of woodworking. It offers longevity and reliability, ensuring that it remains a valuable addition to your toolkit for years to come. Enjoy the trustworthiness of a rugged tool that delivers consistent performance on every job. Specification: Item Type: Carpentry Jigs Set Material: ABS Opening: Approx. 15-18mm / 0.59-0.71in, 16-20mm / 0.63-0.79in Application: Used for marking and filling materials, skirting boards, and ceiling lines for woodworking cabinet installation.. Package List: 4 x Clips 5 x Semi Circular Pieces 5 x Circular Pieces 1 x Storage box