Compatibility: The spool is approximately 8 m long and has a diameter of 1.6 mm. Compatible with the Bosch brush cutter models: ART 23 Commitrim, ART 26 Commbitrim, ART 30 Commbitrim, ART 23 Easytrimm, ART 26 Easytrimm. Please check the model number carefully before purchasing to make sure it meets your needs. 1.6 mm diameter: The diameter of the cutting line is 1.6 mm. Each replacement brush cutter spool is 8 m long and offers plenty of cutting power. Perfect for through holes. Kills weeds and weeds effortlessly. PREMIUM QUALITY: The replacement spool is made of high-quality ABS material, durable enough, and the nylon line is flexible and strong enough for a long service life. PRACTICAL: Tool-free installation, slides in and out of the trimmer for easy use. NOTE: Wear protective goggles and long clothing when using this product to avoid injury from the overflowing line.