Description Color: As Shown * Size: 30ft (approx) Package Contents: 6 * Spare Trimmer Spools 1 * Spare Cover 1 * Spare Spring Features: * Compatible with most Black and Decker line trimmer models: GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7700, CST1000, CST1200, CST2000, MTC220, MTE912, NST2000, LST2018, NST1118, NST2208 , LST420, LST136. * Reliable and flexible, allowing lines to stretch and cushion when hitting hard surfaces * Premium30ft / 0.065 Spare Line: A 30ft spare line is a quality factory feed * Trimmer swap spool features the Black Decker wire cutter compatible and uses centrifugal force to energize the trimmer line when needed.* Automatic spool replacement loading system to reduce the tedious work of hand-winding spools Tips: 1. All images are professionally color-coded, but due to the different ambient light and the different settings of the display device, there may be some differences between the images you see and the items themselves. Please understand. 2. The data is measured manually. There may be some deviations, but this does not affect the use.