- Easily size tip-tops, running guides or a rod blank tip
- Sizes most common rod blank tips from 3/64" to 28/64"
- Sizes guides from 4mm to 30mm
- Features a handy ruler in both Standard and Metric for quick measurements
- Conversion chart imprinted on the back showing MM to 64ths conversion from 3/64" (1.2mm) to 32/64" (12.7mm).