Specifications:

• Thickness: about 2.9cm
• Seat width: about 0.25cm
• Power Source: Other
• Model Number: HJ-B80
• Hole diameter from large to small are: 2,1.9,1.8,1.7,1.6,1.5,1.4,1.3,1.2,1.1,1.0,0.9,0.8,0.7,0.6,0.
• DIY Supplies: Metalworking
• Diameter: about 12.3cm
• CNC or Not: Normal
• Brand Name: YunlinLi