10 pieces tap wrench in different metric sizes from M1 to M3.5( M1 M1.2 M1.4 M1.6 M1.7 M1.8 M2 M2.5 M3 M3.5),and with carved marking size on the corresponding shank. 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 provide more than T-Handle wrenches Color: silver Material: metal Package Contents: 10pc Straight Thread Tap 1pc Tap Wrench Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.