High Quality Material: Reversible ratchet faucet holder wrench made of durable alloy steel with high hardness, non-deformation, wear resistance. Surface electroplated treatment with anti-rust characteristics and anti-corrosion.small size: M3*0.5, M4*0.7, M5*0.8, M6*1.0, M8*1.25, T-handle tap-chuck type M3-M8, 3mm 4mm 5mm 6mm 8mm thread tap. Length of wrenth: 85mm / 3.35in.3.Humanized regulator: It can be easily switch from positive to negative by the humanized adjustment, the middle is the lock for non-rattling use. The machinist& 39;s tool has a heavy knurled nut that makes it easy to grip and tighten, a wrench faucet to improve your work efficiency. Besides, the tool with a ratchet mechanism makes it easy to cut and remove even in the narrow space.Usage: Designed for use with taps and can also use on left tap, reamers, screw extractors and other tools with a square shank, good for mechanics, engineers, electricians, etc.Package Include: 1pcs T-handle ratchet wrench ratchet with 5pcs M3-M8 machine thread (1pcs M3; 1pcs M4; 1pcs M5; 1pcs M6; 1pcs M8).