Detachable piston, positive and negative adjustable. Metal body, high hardness, electroplating process. Designed for use with taps, it can also be used for taps left-handed tool, reamers, screw extractors and other hand tools square handle. The adjustable T-shaped handle can "slide" from one side to the other for easier positioning and greater leverage in tight spaces. Easily switch between left- and left-handed operation. Right-handed operation or lock for ratchet-free operation. Name: Wrench à adjustable ratchet for threading Model: M5-M12 Color: Silver Material: Steel Package Content: 1 * Wrench à Tap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.