uxcell Silver Tone Glass Diamond Tipped Drill Hole Saw 50mm;

Attention: The hole saw is used on bench drill or drill machine. Hand drill or electric drill is not recommended.
Ideal for glass, the ultimate hole saw for hard-to-cut materials;
With Tiny diamond particles coated tip offers sharp cutting, the efficiency of cutting will be improved greatly;
To prolong its using life, please remember to keep it with coolant sometimes;
Should be used with a electric drill, here is not included.