Park Tool SG-7.2 Oversize Adjustable Threadless Saw Guide

Accurately guides a hacksaw to cut aero-shaped seat masts and seat posts up to 2.75" (70mm), as well as fork steerer tubes and other round tubes from 1-1/16" to 1-3/4" (27mm to 45mm). The SG-7.2 features two different cutting slots — standard and carbon cutting blade widths — in a hardened steel body with molded contact points to protect tubes and frames.