SAFE AND PORTABLE: gypsum board tool has Durable ABS head and rubberized handle, lightweight, maximize balance and control; Built-in storage edge box, more convenient to carry edgeMEASURING TAPE WITH SECURE LOCK: Built-in heavy duty 5 meters tape measure inside; Side lock, slide down to lock and fix; The included carpenters pencil fits into the convenient holderPRACTICAL TOOLS: One press to lock, accurate scale, easy slitting, environmental protection and dust-free; gypsum board tool is convenient to carry, save time and effortACCURATE SLITTING: Precise positioning, fast and convenient for draw straight lines, draw circles; Tape measure guide ensures consistent and accurate slitsALL-IN-ONE TOOL: Measure, mark and slit drywall with one easy to use tool; Suitable for a variety of materials: gypsum board, foam board, KT board, cardboardDescriptionThis gypsum board tool built-in 5 meters tape measure. Features side lock, slide down to lock and fix; Precise positioning, draw straight lines, draw circles, fast and convenient. Built-in storage slitter box, more convenient to carry slitter. It can be applied in gypsum board, foam board, KT board, cardboard and more.FeaturesGypsum board tool-Color: Blue.-Material: Aluminum alloy, TPR plastic.-Size: Total length: 23 cm/9.06 inch.Replacement quantity: 5pcsWith 5 meters tape measure inside.One press to lock, accurate scale.Package Including1 * Gypsum board tool5 * Replacement1 * Pencil