Product Description
Milwaukee 100 ft. Extra Bold Chalk Line Replacement Line
Model Number: 48-22-3900
The Milwaukee 48-22-3900 is a 100 ft. Extra Bold Replacement Line for Milwaukee chalk line reels — a replacement chalk line cord in the extra bold specification for superior line visibility and chalk retention when snapping layout lines on rough, textured, or dark surfaces where standard-diameter chalk lines leave faint, difficult-to-read marks. The extra bold line's larger diameter holds significantly more chalk per unit length than standard chalk lines — carrying more chalk to the surface during the snap for a wider, denser chalk mark that is easier to read across the full 100 ft. snap length. This is particularly valuable on rough concrete subfloors, textured masonry, and other coarse surfaces where standard-diameter lines lose chalk rapidly to the surface texture during the snap, producing faint, interrupted marks that require multiple snaps or chalk reapplication for legibility.
The replacement line installs in Milwaukee chalk line reels that accommodate the extra bold line diameter — verify compatibility with your specific Milwaukee chalk line reel model before purchasing to confirm the reel mechanism and housing accept the extra bold line's larger cord diameter. The 100 ft. replacement line restores the reel to full working length after the original line wears, breaks, or is replaced to change from standard to extra bold specification for a different application. Milwaukee manufactures the replacement line from durable braided cord material for extended service life through the repeated saturating, snapping, and retrieval cycles of production layout work without the fraying and breakage that inferior line materials experience.
See Milwaukee's complete chalk line and replacement line lineup for all available lengths, line weights, and chalk line reel models.
Features
- Extra bold diameter for wider, more visible chalk marks on rough and dark surfaces
- Holds more chalk per unit length for denser marks across full 100 ft. snap length
- 100 ft. replacement for Milwaukee chalk line reels accepting extra bold line diameter
- Durable braided cord for extended service through production layout work cycles
- Verify chalk line reel compatibility before ordering
Specifications
- Length: 100 ft.
- Type: Extra Bold Replacement Chalk Line
- Application: Replacement Line for Milwaukee Chalk Line Reels — Rough and Dark Surfaces
Includes
- (1) Milwaukee 48-22-3900 100 ft. Extra Bold Chalk Line Replacement Line
