ITEM NAME:Mini M2 M2.5 M3 M4 Screw Nut Hexagonal Cross Wrench Sleeve Maintenance Tool Z a.imagelink a:hover.imagelink {color:#db3606;.Suitable for M2, M2.5, M3, M4 screw nut. Type: Cross Wrench Sleeve. 1 x Cross Wrench Sleeve. Features: Mini, Four Ports, Maintenance Tool. Mini size, easy to carry. Size: 48mm x 25mm x 10mm/1.89" x 0.98" x 0.39" (Approx.).