10 pieces tap wrench in different metric sizes from M1 to .5( M1 M1.2 M1.4 M1.6 M1.7 M1.8 M2 M2.5 .5),and with carved marking size on the corresponding .This screw tap set metric mainly used for clocks and watches and low hardness of wood and soft metal and plastic hole processing.[Adjustable Tap Wrench] M1-M8 (Mertic)/ 1/16 inch - 1/4 inch(UNC/UNF) / 2mm-7mm, designed to be used with taps or reamers, handles are long to more than T-Handle wrenchesColor: silverMaterial: metalPackage Contents:10pc Straight Thread Tap1pc Tap WrenchOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.