A.M. Leonard makes their Adj-A-Tye Chain Lock using a unique poly blend. This 1/2-inch wide, medium-weight chain lock features a black, UV-resistant finish. A convenient dispensing reel keeps the 250 feet of chain neat and under control. Leonard Adj-A-Tyle Chain Lock has hundreds of uses. It is excellent for bracing overloaded fruit tree limbs and it makes staking easier than ever. The poly blend provides good strength and rigidity. This chain is less damaging to trees than other ties on the market. It is also extremely easy to use. Just slip through, twist, and lock! A.M. Leonard designed Leonard Adj-A-Tye Chain Lock for strength and value. The convenient dispensing reel allows you to cut off the exact amount you need. This enables you to eliminate waste and save valuable time