●Arbor Shaft: With this drill arbor adapter, you can easily convert the drill into grinder for more flexible operation. ●Quick Works: Works stably with high rational speed, the grinding wheel connecting rod ensures high working efficiency. ●Package List: 1 x Drill Arbor Adapter, 1 x Nut and there are 2pcs washer in the set, which can firmly fix the grinding wheel in various sizes, very useful. ●Firm Fixing: Deep and clear thread enables simple installation with good stability, just screw the extension rod on. ●Good Design: Adopting high quality stainless steel and carbon steel materials, very sturdy and durable for long use.