Do not over tighten the slipper even metal gear will strip

This is the Aluminum Spur Gear from Hot Racing for the EP Stampede

Mod1 5mm Hardened Steel Pinion Gear 21 Tooth (1)

Standard Programmable Digital Circuit for Greater Holding Power

you will be the one with balls enough to show these heavy metal 3D Dangler Balls Truck Nuts off

Hitec RCD - HS-5087MH High Voltage Premium Digital Metal Gear Micro Servo, .13sec/60oz @ 7.4v Battery Chargers Do not over tighten theThe HS 5087MH digital, metal gear micro servo accepts high voltage, and is built with a 3 pole ferrite motor and heavy duty metal gears to bring maximum performance to your model and deliver extra power with a 2 cell 7. 4V LiPo battery. Whether you are a beginner or an expert in the RC field, the HS 5087MH will provide the strength and capability you need and want in a micro servo. Drivers will find it the perfect steering servo for their 1 16th scale