The weedeater string trimmer replacement spools compatible with for weed eater string trimmer Models CMCST900,CMCST915,CMESTA900,CMEST913,CMESTE920 & CMCST98020. Trimmer spool models:CMZST0653 CMZST065,Cap model:CMZST120SC trimmer line is made of high quality ABS and nylon material,flexible and long service life,which is healthy and environmentally friendly. Each replacement weed string trimmer spool comes pre-wound which can be replaced easily in a few seconds. It is very easy to assemble and remove, you can snap it into the right place and then assemble them quickly and easily just by hands, no need other tools. Spool cap protects string trimmer line fixed spool and prevent weeds from stuck inside,avoid damage to the weed edger. Colour:orange Material:ABS+nylon Package Contents: 6x replacement trimmer line spool 1x replacement spool cap 1x spring Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.