• The compact folding pouch with four adjustable Joker 6004 spanners covers all metric and imperial dimensions in applications from 7 to 19 mm or 1/4" to ¾" • 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