Manual ink marker, 15m cotton thread, automatic marking tool for marking wood, double-layer ink chamber for construction professionals, leak-proof (a)

Professional-Grade Durability: Constructed with a double-layer ink chamber and a PV resin casing, this ink fountain is designed to withstand harsh conditions, extending its lifespan. [Easy to Use on the Go] Featuring a wear-resistant cotton spool and a self-winding spool, this tool allows for quick ink refills and easy portability, perfect for professionals on the go. [No Ink Spills] The innovative double-layer ink tank design includes a sealing ring that effectively prevents leaks, while the sponge absorbs excess ink for a cleaner look. For Woodworking: Designed with a 15-meter-long cotton thread, it excels in construction tasks, offering excellent moisture retention and strong performance. Comfortable Handling: The non-slip handle makes winding simple and efficient, providing a comfortable grip when used in various applications.