Powerbuilt 22 Piece Ratcheting Bit Driver Set 941337

The Powerbuilt Quad Drive Ratcheting bit driver has a unique gear mechanism that when the neck of the driver is held in place the revolutions of the drive end of the driver shaft is multiplied by 4x. Therefore, for every single revolution of the driver handle you get 4 full revolutions on the fastener. When the neck unit is released (not held) the driver functions as a normal ratcheting bit driver. -Powerbuilt 22 Piece 4x Faster Screwdriver Set -Patented Double Drive technology 4x faster than standard ratcheting -Move switch to change direction of ratcheting -Multiple sizes of bits for numerous applications -Ergonomic handle with non-slip rubber grip