* High-pressure floor pump * Oversized 85 mm (3.5 in.) gauge* Accurate at both low and high pressure* CNC-machined aluminum base, steel barrel and piston, and varnished wood handle* 01: Original ABS system* 03 and 04: ABS-2 system* 05: ABS-1 Pro System* Presta and Schrader compatible with out flipping the chuck* Steel barrel is coated with premium metallic paint​​