Crain's Pro Stapler Kit is a proven winner for it's power, durability. Features a powerful 11 amp. solenoid that drives into hardwoods, a jam-resistant magazine that holds 100 staples, and an easy access driver channel for quick removal of broken staples. Low overall height fits under stair risers. Its pointed tip parts carpet yarns. High impact plastic shell makes it highly durable and long lasting in use. Rounded cap, fits under stair risers easily.