Product Description: Advantages: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Red non-slip handle, very convenient tool.4.Suitable for 1 1/4inch OD lock standard nuts and commercial lock nuts.5.Rubber grip can improve performance, safety and comfort, etc.6.Suitable for all businesses, pipes, fittings, and Cars with an outer diameter of 1/4 inches.7.It is very easy to hang on your body using square and O-ring ends, and it is smart and convenient to use round edge rods. How to use: Find a good grip point and tighten lock nut to satisfaction within a few minutes, so that there is no slippage and will not damage the thread or the lock nut. Attentions: The installation requires attention, slowly install the wrench to find the best bite point. Hold it well and tighten the lock nut to your satisfaction within a few minutes, and the nut will not slip or damage the thread or nut. If you don't find a good grip point, they may slip, damage or scratch the buffer tube or thread because of your sloppy or carelessness. Specifications:Material:Metal ,RubberColor:Black,RedSize:Black Type:19.2x3x1.75x1.5cm/7.56x1.18x0.69x0.59inch(TL x Opening Spacing x Handle W X Hole Dia )Red Leather Case Type:17.3x3x12.4x1.9cm/6.81x1.18x4.88x0.75inch(TL x Opening Spacing x Handle L x Handle W)Weight:208g Package include:1 x Nut Wrench Black Type1 x Nut Wrench Red Leather Case Type