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 for long time use.Part Number:5353Xpart Name:17MM HEX Wheel HubsReplacement part for 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.