Abs Spool & Nylon Line: The edger replacement string spool line were made of raw material, ABS spool sturdy enough, nylon line string flexible, Not easy to supports fast cutting and lifetime. Compatiblity: Suitable for + STRING TRIMMER - 18V, 24V, 40V. Spool for + model part# AC14RL3A. & High Efficiency: Allowing for to and cushion on impact with hard surfaces, the aerodynamic shape allows less drag for more efficient cuts. easy to use and install -wound Tool-less installment, in and out of trimmer for ease of use. Use Precautions: Strong centrifugal force and cutting fast during using, recommend to wear eye protection and long pants to avoid unnecessary injury. And this cordless parts refill is only suitable for weed grass. Strong weeds will been recommended to use blades to . Size: Cordless grass trimmer spool line diameter 0.065 inch to fits line hole perfectly. Spool line length 11ft a wider range of mowing. Colour:black+blue Material:ABS, nylon Package Contents: 6 x Replacement Spool Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.