Lashing Strap,  ratchet strap.

Ratchet Lashings are used for  tying  down loads whilst transporting , shifting  or moving them. They have replaced traditional jute ropes, chains and wires  used for  transportation and for a variety of other applications.  
The main advantages of ratchet lashings are :     

                           
1. Load restraint  using  a  tensioning  device (ratchet) 
2. Effective and safe control of loads whilst  transportation 
3. Extremely quick and efficient tie down and release of load thus saving time. 
4. No damage to the load being tied down. 
They are available in a large variety of configurations of different ratchets of various capacities and end fittings. Pictures shown here are only indicative  and  not exhaustive.