Adjustable Clip: Enhanced holder accommodates writing instruments, pigment containers, pointed tools, and pencils for customizable marking and wood fiber trimming Anti Roll Mechanism: Includes robust knobs to sliding and is constructed from sturdy aluminum alloy for prolonged usage Clear Gradations: Clearly visible markings enable effortless reading, comfortable handling, and quick, precise operations for expert results Versatile Marking Instrument: Features a stainless steel roller for both straight and curved line creation with accuracy, perfect for woodworking and carpentry tasks Adaptable To Multiple Surfaces: Works well on ceramic, metal, acrylic, wood, and glass, offering flexibility for various applications, Manufacturer: APGLSXY