A chalk line, or chalk box, is a tool that is used for laying out straight lines on flat surfaces, or marking sheet material and lumber stock for cutting. Using this tool will be more precise than pencil lines, especially marking over longer measurements. Chalk lines usually have 50 to 100 feet of thin line wound around a reel in a small case containing chalk powder.

For the pros who take construction seriously, DeWalt has a great tool that makes any building or demolition job a cinch. The DeWalt cordless hammer drill comes in a half-inch size, offering plenty of power, an affordable price, and features worth the purchase. DeWalt claims their tools are guaranteed tough, and their 36V cordless hammer drill meets that standard easily.

At A Glance

Impact drills do all kinds of things besides simply drilling holes. Discovering how impact drills work includes learning how they also perform on sanding and polishing jobs, driving screws into any number of materials and how they are utilized to act as brushes and to mix substances.

What Puts the Impact in an Impact Drill?

Supplemental pressure, operated by a manual feed, describes how impact drills work to aid in boring faster into concrete, rock, or other challenging materials. A mechanism located in the drill gearing system makes it possible, at the flip of a switch or lever, to pulsate the drill chuck and bit forward at speeds of up to 48,000 times every 60 seconds.

Airless painting tools are the best suited sprayers for applying latex paint to a house's exterior. Due to the need for masking to prevent overspray on adjacent surfaces, using airless spray tools for painting interiors is not as efficient. Compressed air powered spray guns and latex paints just don't work optimally with each other; latex is too thick and needs to be thinned just right.

How Does It Work?

An airless sprayer is made up of a pumping unit, a hose and the gun. An air compressor is not needed, since your paint is pumped through the hose by a motor then forced out a tiny tip that breaks the paint down into a fan shaped spray pattern.

A compound miter saw is one which has a motor that bevels in two planes; that is, the motor pivots from left to right along a swing arm in the horizontal axis as well as tilts left to right in the vertical axis. The Hitachi C10FS series is a sliding compound miter model, which means you can pull the blade through the workpiece as well. It is an outstanding choice for cabinet makers, trim carpenters, and anyone else who does intricate woodwork cutting.

In addition to the electric brake that reverses the motor's current flow upon release of the trigger, it has an adjustable soft start. The soft start is good for keeping your workpiece from jumping when you first press the trigger, which made for cleaner cuts in our tests.