Stringliner PRO Mason's Line Reels are made of durable polyethylene, with a patented handle that allows you to quickly change rolls. You can rewind using the hand crank, or auto-rewind using a power screwdriver inserted into the slot in the bottom of the handle. The Pro Reel fits all Stringliner rolls from 4″ to 6″ long. Stringliner Flourescent mason's line sets the standard for quality in the construction industry. Hand rewind or auto-rewind using a power screwdriver inserted into the slot at the bottom of the handle. Features 250 ft. PRO Masons Line & Reel Contractor Pack Fine Braided Line; Specifications Color: Fluorescent Pink; Line Length: 250 ft.; Sub Brand: PRO; Line Color: Fluorescent Pink; Line Material: 18 Nylon; Line Type: Fine Braided Line; .