Kincrome 8 Piece Single Way Gear Spanner Set. With a 0 degree offset, the Gear ring head has directional arrows on both sides indicating either forward or reverse direction. The ratcheting ring feature allows increased working speed, eliminating the need to remove the spanner from the fastener after each turn. To change direction simply turn the spanner over. Set contains; Sizes: 8, 10, 12, 13, 14, 17, 18, 19mm. Packed in plastic case.