Groove Width and Separation

In order to carry out the “Ink and Scratch” method of measuring grooves, the following equipment is required:

1. A thick black marker pen

2. A carbite wedge ‘Marking Tool’ with Allen key (see Figure 2 below)

3. A magnifier

4. A steel ruler

5. An alcohol wipe (to clean the club face)

This equipment may be available from The R&A or USGA at a reasonable cost.