Thumb Score: +32

Uncle Smith’s Garage via Amazon [amazon.com] has ETENWOLF T300 Digital Tire Pressure Gauge w/ Backlit LED Screen (3-200 PSI, ANSI B40.7 Grade 2A, Space Grey) for $7.56 – $5.56 when you enter promo code KM4O6MXS at checkout = $2. Shipping is free w/ Prime or on $35+.

Note: Promo code applies to grey only. If code doesn’t apply, refresh, re-enter, or review after selecting payment method to see if it already applied.