Weights Kit for Pinewood Derby, 8 1/4oz & 4 1/2oz Weight Blocks 4 Polished Grooved Axles & Flexible Weight Strip No-Drill Stick-On COG Tuning for Maximum Speed Zero Wobble

Specification: Color: gray, silver Material: 95% galvanized iron, 5% adhesive backing; stainless steel; 95% iron, 5% adhesive backing Product Size: as shown in the picture Package details: 8 x 1/4 oz weight blocks 4 x 1/2 oz weight blocks 4 x axles 1 x 3 oz flexible weight strip Note: Due to manual measurement, the size and weight may have a certain error. Due to the difference between monitors, there may be a slight color difference.

• Complete 17-Piece Set: You will receive 8 1/4 oz weights, 4 1/2 oz weights, 4 axles, and 1 3 oz flexible weight strip, used to decrease friction, achieve zero wobble, and adjust the center of gravity, which are practical accessories.
• Easy to Use: Easy to use, requiring no complicated steps or professional skills. Simply peel off the adhesive backing and attach it. It optimizes the weight placement near the rear axle for better acceleration and helps you achieve better race results.
• Superior Materials: The weight blocks are made of 95% galvanized iron and 5% adhesive backing, the axles are made of stainless steel, and the 3 oz flexible weight strip is made of 95% iron and 5% adhesive backing, ensuring reliability and durability.
• Precise Weighting: Uses 12 fixed weight blocks as the base mass and a 3 oz flexible strip for fine-tuning. Easily cut with scissors to precisely add milligram-level weights to the desired location, achieving the officially specified 5 oz.
• Perfect Compatibility: Compatible with Pinewood Derby cars. Please confirm compatibility before purchasing. (Please note that our product is not sponsored or endorsed by, or affiliated with the brands it fits, including Pinewood.)