Product Review

Features:
Do NOT run dry. Diamond Coated Tools will work best if you use water to keep the tools cool.
Easy to use, high quality,good performance, long life - Excellent for making clean and accurate hole
This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, cer
Size:6mm, 8mm, 10mm, 12mm, 14mm,16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 35mm, 40mm,45mm, 50mm(you can see the detail in the product description)
Package Includes: 1 x 16pcs Diamond Coated Hole Saw Drill Bits
Total 16 different sizes, 1 piece each size as belows,
6mm outside diameter, 5.4mm shank, can drill 30mm depth.
8mm outside diameter, 6.4mm shank, can drill 30mm depth.
10mm outside diameter, 6.5mm shank, can drill 30mm depth.
12mm outside diameter, 6mm shank, can drill 30mm depth.
14mm outside diameter, 7mm shank, can drill 30mm depth
16mm outside diameter, 6.4mm shank, can drill 30mm depth.
18mm outside diameter, 8.2mm shank, can drill 30mm depth.
20mm outside diameter, 8mm shank, can drill 30mm depth.
22mm outside diameter, 8mm shank, can drill 30mm depth
25mm outside diameter, 9mm shank, can drill 30mm depth
28mm outside diameter, 9mm shank, can drill 30mm depth
30mm outside diameter, 9.5mm shank, can drill 30mm depth.
40mm outside diameter, 10mm shank, can drill 30mm depth.
50mm outside diameter, 10mm shank, can drill 30mm depth.