This polycut head fits straight shaft trimmers with 1" or 20mm arbor size, including Stihl, Husqvarna, Echo, Shindaiwa, Red Max, Tanaka, Maruyama and others makes.
The diameter of the polycut head is 300mm, and with the swinging action of the 3 blades gives a mowing type cut. The blades are replaceable at £3.58 for a pack of twelve.
Each blade is 110mm in length and the hole diameter is approx 12mm.
A length of strimmer cord can also be used in the head should you break a blade and not have any replacements and need to finish a job