How to Hold:Hold the tool with your dominate hand.Position the machine between your thumb and pointer finger.Squeeze the stripper and let the blade tip enter the hole.Wire Stripping:Choose a hole on the wheel slightly larger than the wire.Set the blade tip to the correct height.Insert the wire about one inch past the wheel from the back of the machine.Pull the wire through the front of the machine, keep pulling until the entire wire has passed the wheel.Find the slit and pull the copper out of the insulation.Set Cutting Depth:Adjust the blade depth to an estimated level based on the wire you are stripping by turning the adjustment screw.When adjusted properly there should be minimal pulling force and the blades should glide across the insulation.For difficult wires the blade angle can be adjusted by slightly loosening the screw holding the blade, repositioning the blade, and tightening.Strong & DurableThe shell is made of high-quality ABS, and the blade is made of premium stainless steel, not easy to age, strong and durable.Adjustable DepthThe cutting depth can be controlled by adjusting the height of the screw to meet your different cutting needs.Easy To UseThe wire stripping tool is easier to use than a cutter or art blade, and your hands don't get too much impact. The blade can be replaced as you want.Pocket SizeThe size is about 11 x 7 x 6cm /4.3 x 2.8 x 2.4 inch (L x W x H). Almost the same size with your car keys, it can be easily put into your pocket.Wide ApplicationThe wire stripping machine is suitable for 24 AWG (3/64)- 0 AWG (7/16) copper wire, aluminum wire, single core wire, hard leather wire, etc.