Home / 2-TLX40 + Flex Frame Setup Overview / Guide Tube Set for 2-TLX40 Guide Tube Set for 2-TLX40 One "Guide Tube Set for 2-TLX40" contains the following items: Guide Tube 3/4" TLX, SCH40. L= 400 mm / 15.748", ID= 20.6 mm / 0.810" Guide Tube 1/2" TLX, SCH40. L=1200 mm / 47.244", ID= 15.9 mm / 0.625" Minimum quantity: 2 Guide Tube 3/4" TLX, SCH40. L=1200 mm / 47.244", ID= 20.6 mm / 0.810" Minimum quantity: 2