Made of material, and practical to use.Solid and , long service life.Easy to install and reliable to use.Universal String Trimmer Grass Eater Cutter Adjustable Support Wheels Set The wheels look small but can provide stable support. With these wheels, you 't be troubled by sore hands and shoulder pains even holding tools for a long . can cause sore hands and shoulder pains. You can cut the grass likes walking. The buckle of the wheels is made of soft plastic, which allows the wheels to suit 22mm(0.86 inches) to 26mm(1.0 inch) shaft tubes. ly suitable for most straight shaft wackers, edgers, and mowers on the market. There are three holes on the bracket, you can adjust the height of the wheels by fixing the wheels into different positions. The height of the support wheel can be adjusted according to your height and can be raised or lowered, making your work easier and no need to bend. Buckle has different gears of different angles . According to the user's height and the needs of the use scene, the height of the support wheel can be adjusted at any . You choose the proper angle when the wheels are on the ground. Unlike other auxiliary wheels, the attachment wheels of cordless adapt to a triangle structure, providing powerful support to the lawn tool. More stable than other T shapes of wheels. Note: The actual product may have slight color differences or differences, which does not affect use. Material: plastic+metal colour: Black Package Contents: 1 x Lawn Mower Wheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.