Compatible with Bosch models:BOSCH strimmer trimmer ART 23 SL (3600HA5000),ART 23 SL (3600HA5070),ART 2300 (3600HA5002),ART 23-28(3600HA5001), ART 26 SL(3600HA5100),ART 26 SL (O00000.).(HA5170),ART Easy, premium wear-resistant wire supports fast cutting and longer life, high quality ABS spool and durable polyamide nylon thread for flexibility and long life. Centrifugal force and aerodynamics are used to reduce drag and achieve fast cutting. With an automatic feeding system to replace the spool, it relieves the tedious work of manually winding the spool. Reminder: Strong centrifugal force and fast cutting speed during use. Please wear goggles and long pants to avoid unnecessary injuries. Material: ABS, Nylon Color: Black Package Contents: 4 x Spools only contains the above package content, other products are not included. Note: Light shooting and different monitors may cause the color of the item to be slightly different from the picture in the picture. Measurements allow +/- 1-3 cm.