100% brand new and durableMade of high quality metal.the splined design interlocks with Traxxas 17mm splined wheels.Perfect style and exquisite workmanship.With screws.Easy to install and durable compatible with long time use.Part Number:5353Xpart Name:17MM HEX Wheel HubsReplacement part compatible with these models:New Style:1/10 E-Maxx Mamba (3908)1/10 T-Maxx 2.5 (4910)1/10 Revo 3.3 (5308)1/10 Revo 3.3 (5309)1/10 Summit (5607)1/10 E-Revo Mamba (5608)Old Style:1/10 E-Maxx EVX2 (3903)1/10 T-Maxx 3.3 (4907)1/10 T-Maxx 3.3 (4908)1/10 T-Maxx 3.3 (4909)1/10 E-Revo EVX2 (5603)1/10 E-Revo EVX2 (5605)1/10 Slayer Pro 4x4 (5907)colour:redmaterial:Aluminum alloysize:17mmPackage Contents:4 * Combination setOnly the above package content, other products are not included.Note: Light shooting 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.