New-Tech Tools and Materials

CORDLESS ROTARY HAMMER There’s no telling where you’ll need to use a rotary hammer: Sometimes the work is at the top of a ladder; other times, it’s in the bottom of a trench. And it’s not unusual to spend more time finding and rolling out electrical cords than drilling holes. With the 1125VSR Boschhammer, you can drill steel, wood, and masonry without having to drag cords around. According to Bosch, the cordless rotary hammer can drill 901/4×11/2-inch-deep holes in concrete on a single charge of its 24-volt 1.7 amp-hour battery. (The more powerful model 1125VSRH has a 2.5 amp-hour battery and will drill 130 holes per charge.) The