CNC Machined Brass Wheel Weights Looks Scale by mimicking Brake Rotors Put Extra Weight Exactly Where You Want It Mates perfectly with Pro-Line's Pro-Forge Aluminum Wheels Pro-Line's 6292-00 Hex Adapters are Required when installing Brass Brake Rotor Weights Made in the USA, since 1982 Each weigh 2.3 oz (65g) Overview This is a pair of Brass Brake Rotor Weights. Pro-Line now has Brass Brake Rotor Weights for all of Pro-Line's 1.9" Scale Crawler Fans! The Brass Brake Rotor Weights must be used in conjunction with Pro-Line 6 Lug 12mm Hex Adapters (#6292-00) and work perfectly with Pro-Line's Pro-Forge 1.9" Aluminum Wheels! These Brass Weights mimic the look of Brake Rotors inside the wheel and are expertly Made in the USA using the latest in CNC technology. Included: Brass Brake Rotor Weights (2) Screw hardware M2 x 4mm SHCS (6) *NOTE: Required to use PRO629200 Hex Adapters.