Compatible with Black+Decker models: 82300, 82310, 82312, CST500, CST800, GE600, GE800,GL250, GL310, GL360,GLC500,ST200, ST300, ST400,ST1000, ST3000, ST4000, ST4050, ST4400, ST4500, ST5000, ST6500, ST6800, ST7600<br> Practical Tool compatible RS136, compatible RS-136, compatible RS-136-BKP, compatible RS136BKP, compatible143684-01. Cap type: compatible 682378-02. Replacement spring model: compatible 68223500.<br> Save Money and TimeAerodynamic shape allows less drag compatible more efficient cuts .With the auto feed system, the replacement spool eases the tedious work of hand-winding spools.<br> Premium QualityIt made from twisted copolymer nylon resin and synthetic ,Pliable and flexible allowing compatible the line to stretch and cushion on impact with hard surfaces.<br> More healthier and greenerIts good compatible your grass.It superior to the standard round line by producing an improved cutting action, which helps to keep grass healthier and greener.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store