The bike saw guide tool is made of durable aluminum alloy and stainless steel material,suitable for cutting bicycle fork steering tube, handlebar, seat tube, carbon fiber tube, aluminum alloy tube, as well as other steel tubes and titanium tubes.fit 15-37mm cutting tubes. BUCKLOS TCSG-01 Bicycle Saw Guide Tool: Brand:BUCKLOS Color:Black/Red Range of use:Bicycle saw guide tool is suitable for cutting bicycle fork steering tube, handlebar, seat tube, carbon fiber tube, aluminum alloy tube, as well as other steel tubes and titanium tubes cutting tubes:15-37mm Material:aluminum alloy and stainless steel Unique Design: bike saw guide tool saw guide plate will be the front of the stainless steel piece and the tool body to tighten the unique design can be more firmly and safely fixed, in the saw.