SincereetaliHigh quality - The spool is easy to install and remove. At the same time, it prevents damage to the device and the wire is used optimally. Trimmer Spools - Line spool for models with simple one-line entry system, making tedious work with hand-wound spools easier. Compatibility - Compatible with 1 Lens Reflex Trimmers of: GH400, GH500, GH610, GH900, GH912, ST700, ST700, C7000, CST2000, MTC2000, MTE912, NTE212121212 28, NST. 2128, NST2128, LST400, LST420, LST136 Dimensions- The spool length with 9m thread and 1.6mm diameter. The line spools are factory wound to ensure superior feeding. Trimmer Accessory- This trimmer line includes a spring and a spool guard cap, fully compatible replacement part.