The BF-Series soft stop models is designed with an unique "soft-stop" shock absorbing clutch that is ideal for fastening shock delicate components such as disk drives, plastics, and electronics. The ergonomically designed soft stop clutch reduces impact and vibration transmitted in the screw fastening process, which delivers less torque reaction to operator. The electric screwdriver offers an adjustable speed setting and a selectable Soft Start mode. Designed for precision torque control the brushless motor design ensures durability and reduces the standard maintenance costs associated with brush type electric screwdrivers. The BF power tool is ESD certified, ensuring less than 1 Ohm at the bit tip. ESD management assures product quality, cost savings and a reduction in overall ESD failures. Manufacturing engineers involved with microelectronic products are aware of the importance of controlling Electrostatic Discharge (ESD) failures. Lapses in preventing the occurrence of electrostatic discharge can affect production yields, manufacturing costs, product quality, product reliability, reputation and profitability.