10 -13 mm x 7/16" x 1/2" x 154 mm
13 - 16 mm x 1/2" x 5/8" x 188 mm
16 - 19 mm x 5/8" - 3/4" x 224 mm
mm or 1/4" to "
Automatic and continuous gripping of the hexagon screw or bolt
Lever mechanism when gripping avoids slippage and damage
Fast and consistent screwdriving without removing the wrench thanks to mechanical ratchet function
Return angle of only 30 through placement in the corner-width rectangular prisms in the mouth