The BLACK + DECKER A6441 Dual Line & Spool for Black + Decker Reflex-Plus strimmers.
It fits the following Black + Decker models: GL315, GL337, GL350, GL650, GL660, GL670, GL651, GL652, GL653, GL655, GL656, GL687, GL681, GL5530, GLC1423L, GLC1825N and GLC1825LB.
Specifications:
Length: 2 x 6m.
Diameter: 1.6mm.