Marking Center Finder Multifunctional Design: A versatile tool for plate groove, pin seam, assembly work, drilling datum, and groove marking. Easy to Use: Simply hold it and slide to draw an accurate center line. Suitable for both beginners and experienced woodworkers. Strong Construction: Made from ABS plastic, built to last and body safe for long term use. Compact and Portable: Approximately 10.2 cm (4 in) in length and weighing about 50 g (0.1 lb). Easy to store and transport; fits in a home or workshop workspace when not in use. Why you need it: Provides precise center lines to improve accuracy in grooves, dowels, and drillings, reduces misalignment, and simplifies setup for various woodworking tasks. Specifications: Material ABS plastic; Size about 10.2 cm / 4 in long; Weight about 50 g / 0.1 lb. Use scenarios: 1) Mark center lines on workpieces for plate grooves and groove marking before cutting. 2) Locate drilling datum points to ensure holes are centered and aligned. 3) Assist in assembly by aligning pins and components for accurate joints and seams.