Universal power rotary scissors for brushcutters (without adapter). Prevents the hurling of objects. Hermetic model for cutting submerged plants. Includes 5 plastic adapters for tube diameters of 24, 25, 25.4, 26 and 27 mm and identification template to identify the drive shaft. To be used with an adapter (not supplied). You can use the scissors with minimum torque of 0,90 Nm which corresponds roughly at 6.000 rpm in a brush-cutter of 23 cc, anyway consider that the scissors do not need a lot of torque, indeed the ideal use of a brush-cutter whit this accessory is between 25cc to 33cc.