1. The handle has an ergonomic design and a ratchet design that not only saves strength, but also effectively reduces hand fatigue and improves your work efficiency. The strapping set is durable and robust enough for a long life. 2. The main material of the sealing tool is highquality manganese steel, which is strong, rustproof and durable. It is for use at home and in industry, e.g. For parcel docks in warehouses, for removals, for garage storage and for load securing during transport. It also provides maximum sealing strength for your products without the operator having to make too much effort 3. Made of high quality PP material, the strapping kit is durable and sturdy enough for a long life. The packaging strapping kit must be strong enough or firm enough for shipping, it will not break. 4. Tighten the plastic strap, then close the gap and finally cut off the strap. Only 3 steps are required to complete the packaging. Very easy, if you know how! Instructional videos are uploaded.