Black+Decker Spool & Line Bump Feed (MP1) 23cm SKU: 125443 MODEL: RS-300 Error. try again later You've successfully joined the club $ 17 .98 each Available on orders $50 to $1500. More info × Mitre 10 Variants For Black and Decker corded and cordless line trimmers. Suits GL300 line trimmer. Features and benefits Made from high quality nylon. Durable.