Product Name: Small Holsu Ademate of Total Name in English: Total Tac4201 Arbor for Hole Saw 3/8 "Country of origin: China Manufacturer: Total-Total Product Description: comes with a diameter of 3/8 inch, and is used to install holes in different materials that are designed to be compatible with saw holes Qatar 3/8 inch, and thus provides stability and accuracy during use allows you to do this The base is to install the saw holes on the bases or appropriate electrical tools, which allows you to make accurate and easy holes in the material.