127 Pcs Wire Protector, Black Insulation Sleeve, Heat Shrink Connectors, Heat Shrink Tubing Kit, Heat Shrink Wrap Cable Sleeve Great for Electrical Insulation and Repair (Black). Simple to Use: You need to choose a tube of suitable size, insert the wires into the tube, slide it to the required position, and then use a heat gun to heat until the tube tightly shrunk around the joint, a few seconds can complete professional insulation connection.
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