Hillman Group 180147 Nylon Insert Lock Nut, 1/4-Inch by 20-Inch, 100-Pack Material Type:Nylon this two-sided sharpening block comes

this two-sided sharpening block comes with both a 400-grit side

Freud bits are precision-ground for durability and ultra-smooth cutting

ground cover

Stable quality and long service life

When adding some water

Hillman Group 180147 Nylon Insert Lock Nut, 1/4-Inch by 20-Inch, 100-Pack Material Type:Nylon this two-sided sharpening block comesHillman Group 180147 Nylon Insert Lock Nut, 1 4 Inch by 20 Inch, 100 Pack Coarse thread, zinc plated steel. Nylon insert lock nut. 1 4 20 Coarse thread Zinc plated steel Nylon insert lock nut 100 Pack. From the Manufacturer The Nylon Insert Lock Nut features an integrated nylon insert that grips bolts to help resist vibration effects. This easy to use nut is ideal to securely fasten a bolt when connecting materials. Product Features Nylon Provides