The silver drill size is 21/64.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 1.1 inch
Height : 1.1 inch
Length : 8.4 inch

Item Weight: 2 pounds (View shipping rates and policies)
Shipping Weight: 6.4 ounce (View shipping rates and policies)

ASIN : B0002KL3QS