Black square wire spool diameter 3.3 mm for STIHL trimmer - Long-lasting brush heads - Mowing line for clearing and weeding work - Very good cutting performance due to sharp edges - Made of elastic plastic and resistant to long-term abrasion CHOOSE FROM THE FOLLOWING OPTIONS: 1- Wire length: 38 m 2- Wire length: 137 m 3- Wire length: 228 m CZ