Model: 4mm x 30mEASY GRIP --- The box is equipped with a handle and an adjustable grip around the spool, allowing you to have a firm and stable grip when removing the tape from the box. The strips are wound directly into the housing without the need to disturb the retaining strips. Easier and Faster Pulling --- High-quality steel straps maintain stability as they slide between surfaces, effectively pushing and pulling wires under carpets, insulated walls, and suspended ceilings. Flexible steel straps won't snag or bend, making entry and exit more efficient and easier.Easy to Use --- The high-strength spring steel fishing reel ensures that your electric fishing reel won't break when working for a long time. The quick tie can save your working time and pull multiple strands of wires. Long Service Life --- Adopt steel wire material, durable, corrosion-resistant and with high spring, wire pulling is more convenient and has a longer service life. Wide Applications --- Ideal for wrapping/threading or pulling cables and wires through or behind ceilings, walls/drywall, conduit, PVC, air ducts, pipes, air ducts, under carpets or insulation, and more for indoor and outdoor electrical wiring. Great choice for builders, carpenters, DIYers and home remodelers