Application: Hexagon screw heads and bolts with wrench size 24, 0; 27, 0; 30, 0; 32, 0 (metric) and 15/16"; 31/32"; 1", 1 1/16"; 1 1/8"; 1 3/16"; 1 1/4" (imperial) Design: Self-setting spanner with ratchet function; size-adjustable open end side, parallel smooth jaws; with 30deg return angle due to the corner-width rectangular prisms in the jaws; hole for hanging | Wera 6004 Joker XXL Self-Setting Spanner Adjustable Wrench