Durable, made of high-quality metal. The splined design interlocks with Traxxas 17mm splined wheels. Perfect style and exquisite workmanship. Includes screws. Easy to install and built for long-term use. Part Number: 5353X. Part Name: 17MM HEX Wheel Hubs. Replacement part for the following 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). Color: Silver, Red, Blue, Yellow, Green, Dark Blue, Purple, Titanium. Material: Aluminum alloy. Size: 17mm. Package Contents: 4 x Combination set. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3cm.