High-Visibility 0-30 PSI 2.5-Inch Glow-in-Dark Air Gauge for Kart TiresLow pressures demand sharp eyes, but this 0 30 2 1 2" Gauge Glow In Dark (SKU 52023) cuts through the gloom with its radiant dial. Perfect for karting's typical 8 20 PSI range, it glows vividly after brief exposure, enabling accurate checks during evening heats or indoor facilities without external lights. Featuring a generous 2. 5 inch diameter, the gauge provides 0. 5 PSI graduations for nuanced adjustments that matter in tight racing. Its liquid