The SG-7.2 cutting guide is a specially shaped guide, designed specifically to accept aero-shaped seat masts and seat posts up to 3.5 inches (89 mm) deep
The guide can also accept round tubes from 1-1/4 inch to 1-3/4 inch (32 mm to 45 mm) in diameter
Two cutting slots are provided, one for standard saw blades and one for thicker, carbon specific blades