Universal Aluminum Brushcutter Head, Replacement Nylon Line Spool, Lawn Mower Accessory

【Package Contents】1 aluminum trimmer head spool; 4 yellow square threads; 2 shims (10mm inner diameter, 25mm outer diameter); 1 hex key.【Materials】Made of high-quality die-cast aluminum with strong and durable nylon threads. Increased cutting power, quick and easy thread change.【Dimensions】5.2cm × 4.6cm (H × W). Speed: 10,000 RPM.【Compatibility】This trimmer head is compatible with all standard left-hand threaded brush cutters and 2.4-3mm diameter lines. It is compatible with M12, M10, and M8 threads. 【Versatile Use】Suitable for most lawnmowers, this universal, practical, and compact cutting head is an ideal accessory for brush cutters.