Comfort and ease-of-use features include an ergonomically designed rubberized palm that fits like a glove with even pressure and easy control. The rubber sealed switch minimizes dust contamination and increases durability. The efficient through-the-pad dust collection system helps provide a cleaner work environment, while the fabric dust bag has an extra-wide mouth for faster disposal. The BO5030K uses quick-change 5 in eight-hole hook-and-loop abrasive disc.