RECTANGULAR TUBE GI Play RECTANGULAR TUBE GI_1RECTANGULAR TUBE GI_2 standard TIS 107- 2566 For more information. +662 685 4000 info@tmtsteel.co.th standard TIS 107- 2566 RECTANGULAR TUBE GI SPECIFICATION ** For more information on size ranges, please contact our sales. For more information. +662 685 4000 info@tmtsteel.co.th