With fine teeth, the BGS TECHNIC 4 in 1 Polygon Wrench - 8 to 11 mm - 30809 includes 4 wrench widths 8, 9 ,10 and 11 mm. The wrench has a ratchet mechanism and can be used to fasten bolts without any effort. Each dimension is engraved on the wrench, which offers a direct view to facilitate your work. Benefits : 4 in 1: versatility in one tool Made of quality steel Saves space in your toolbox Compact ratchet mechanism and reversible lever Features : Thrust profile: Twelve-sided Material: chrome vanadium steel Surface treatment: matt chrome-plated Key opening 1: 8/10 mm Key opening 2: 9/11 mm Teeth: 72 Suitable for hanging: Yes Weight: 100 g Packaging: One BGS TECHNIC 4-in-1 Polygon Wrench - 8 to 11 mm - 30809Delivered in original packaging