Notched Tubes Products nameVersionL x Ø mmNo.item No.notched tubeswith groove12 x 1.00/0.701049741notched tubeswith groove12 x 1.10/0.802049742notched tubeswith groove12 x 1.20/0.903049743notched tubeswith groove12 x 1.30/1.004049744notched tubeswith groove12 x 1.40/1.005049745notched tubeswith groove12 x 1.50/1.106049746notched tubeswith groove12 x 1.80/1.407049747