The SG-6 ensures a straight, clean cut on steering columns, handlebars, seatposts, or any other round tube from 22 mm to 33 mm in diameter. Simply clamp the SG-6 onto the tube and cut, letting the SG-6 guide the hacksaw blade. The SG-6’s non-scratching composite body incorporates steel threads and a steel reinforcing plate to withstand the rigors of heavy shop use SG-6 FEATURES Compatible with any round tube from 22 mm to 33 mm (0.87 #34; to 1.3 #34;) in diameter Compatible with 1 #34;, 1 1/8 #34; and 1 1/4 #34; threadless fork steering columns NOTE: The SG-6 is intended for use with a steel hacksaw blade. When using a carbon-specific blade such as the Park Tool CSB-1.