Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw.
Locking machine heads utilize the famous 18:1 Rotomatic design with a ''thumb screw'' mechanism.
Perfect replacement for the most standard machine heads. Chrome, 3 Per Side.
Includes all mounting hardware.
Mounting screws and threaded hex peghead bushings with washers are included. 10mm-diameter (13/32'') pegholes required

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4 inch
Height : 1.9 inch
Length : 8 inch

Item Weight: 9.6 ounce (View shipping rates and policies)
Shipping Weight: 11.2 ounce (View shipping rates and policies)

ASIN : B002RX7JD4