Milwaukee 48-32-4011 Shockwave Puck, 22-Piece The product is easy to use The product is durable The product is manufactured in China Assorted shockwave 1" insert bits: Phillips, square recess, torx, slotted Magnetic bit holder included All 22 pieces come in a compact and easy to keep track of puck, no more lost bits! Shockwave bits last up to 10 times longer than other driver bits Proprietary steel and heat treat process for maximum strength and durability