Compatibility: Compatible with Mac Allister lawn mower.
Inner Diameter Size: 7.5mm, 9.5mm, 10.5mm. Please check axle diameter before ordering.
Features: The stop washer applies a spring force between the fastener head and the substrate, creating more friction and resistance to rotation.
Material: Made of metal material, anti-corrosion, durable.
Package: 30pcs internal tooth washers (includes10pcs 7.5mm, 10pcs 9.5mm, 10pcs 10.5mm)