High-quality - Inserting and removing the spool is tool-free and uncomplicated. At the same time, damage to the device is avoided and the thread is used optimally. Thread spools for Black+Decker strimmer - Thread spools for models with simple single-wire feeder system, making the tedious work with manual winding spools easier. Compatibility - Compatible with the Black+Decker 1-lens reflex strimmers: GH400, GH500, GH610, GH900, GH912, ST700, ST700, C7000, CST2000, CST2000, MTC2000, MTE912, NTE2128, NST2128, NST2128 , LST400, LST420, LST136. Dimensions - The thread in the spool has a length of 9 m and a diameter of 1.6 mm. Thread spools are factory-wound to ensure a superior feed. Strimmer accessory - This strimmer thread includes a spring and a spool cover cap, and is a fully compatible replacement part.