Home Telescopic Tubing Pre-Drilled Telescopic Tubing Pre-Drilled Telescoping Round Tubing Alum. Pre-Drilled Telescoping Round Tubing - .110" Wall Products 1.00″ x .110″ Telescoping Round Tube 6005A-T6 (Pre-Drilled) $15.00 – $25.00 Select options 1.25″ x .110″ Telescoping Round Tube 6005A-T6 (Pre-Drilled) $17.00 – $30.00 Select options 1.5″ x .110″ Telescoping Round Tube 6005A-T6 (Pre-Drilled) $19.00 – $35.00 Select options 1.75″ x .110″ Telescoping Round Tube 6005A-T6 (Pre-Drilled) $22.00 – $40.00 Select options 2.00″ x .110″ Telescoping Round Tube 6005A-T6 (Pre-Drilled) $28.47 – $47.94 Select options