- Unique 2 stage pump that can deliver both high pressure and high volume at the flip of a switch- Stage 1 delivers accurate pressure up to 30 psi while stage 2 delivers pressure up to 160 psi- Mid-mount dial gauge, 360 degree extra long swivel hose - Updated hammer type DX TwinHead, flip-flop between Schrader and Presta- Padded elastomer grip. Includes ball/bladder needles