Available as either internal or external, metric or imperial. Supplied with 1 x 16mm threading inset holder spanner.

• Internal imperial Item No. 9446

Including 1 of each of the following inserts:

16IRA60, 16IRG60, 16IRAG60, 16IR8UN, 16IR12UN, 16IR14UN, 16IR16UN, 16IR18UN, 16IR20UN, 16IR24UN

• Internal metric Item No. 9447

Including 1 of each of the following inserts:

16IRA60, 16IRG60, 16IR0.75, 16IR1.0, 16IR1.25, 16IR1.5, 16IR1.75, 16IR2.0, 16IR2.5, 16IR3.0

• External imperial Item No. 9448

Including 1 of each of the following inserts:

16ERA60, 16ERG60, 16ERAG60, 16ER8UN, 16ER12UN, 16ER14UN, 16ER16UN, 16ER18UN, 16ER20UN, 16ER24UN

• External metric Item No. 9449

Including 1 of each of the following inserts:

16ERA60, 16ERG60, 16ER0.75, 16ER1.0, 16ER1.25, 16ER1.5, 16ER1.75, 16ER2.0, 16ER2.5, 16ER3.0