Century Drill and Tool 37010 Self Centering Drill Guide, 1/8-Inch Self centering drill guide will accurately drill centered holes for hinges handles drawer slides or other projects where precise drilling is required Includes a replaceable premium quality high speed steel drill bit for drilling in wood metal and plastic Fits 1/4-Inch quick change adapters Use for #10 screw size with 1/8-Inch drill bit Made in the USA