Features: 1. The guiding main magnetic is matched with the guiding magnetic rope, which can solve the problem that the tractions rope is difficult to suck out at the opening of the hole. 2. For 4-5.5mm line pipe, oil pipe, Di2 wire, internal wiring tool, introduction of quick tractions rubber sleeve, quick release design, convenient and practical 3. Rubber-coated steel wire tractions rope. In order to avoid scratching the paint when operating the tractions rope, causing damage to the paint, use a rubber-coated steel wire tractions rope 4. High-quality, durable: Made of high-quality metal and plastic materials, it has the characteristics of sturdiness, sturdiness, and practicality, and has a long service life. 5. Suitable for most bicycles, such as Mountain Bike , road bicycles, BMX bicycles, folding bicycles, and recreational bicycles. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Weight: 62g Packing: plastic box Packing size: 9x6.5x3 (cm) Precautions for use: 1. This internal wiring tool is not suitable for steel frame lead work 2. Only applicable to the frame with threading aperture 6mm 3. Use the brake hose metal joint, after threading, cut off the end of the hose 10mm to prevent oil leakage 4. Magnets collide with each other, there is a risk of fragmentation, so as to avoid injury from broken magnets, please pay attention to protection For other matters, please refer to the instruction manual includes: 1x Internal Cable Routing Tools