DIG Universal NUTLOC FittingsUtilize DIG's Universal NUTLOC Drip Fittings to seamlessly link drip tubing or dripline of varying sizes, ranging from 1 2" to 5 8", encompassing dimensions like . 530 ID, . 600 ID, and up to . 620 ID (equivalent to . 630 OD to . 710 OD, or 16, 17, and 18 mm). These fittings serve as an ingenious remedy in scenarios where information about the exact drip tubing or dripline size is lacking, allowing you to effortlessly connect two different sizes with