Topeak 2016 Ninja P Mini pump hides inside seatpost

Head: Presta valve with integrated dust ring
Barrel: CNC aluminum
Handle: CNC aluminum / Plastic
Mount: Inserts into ø27.2, ø30.9 or ø31.6 mm round seatposts
Capacity: 160 psi / 11 bar
Size: (L x W x H) 20.3 x 2.1 x 2.1 cm / 8” x 0.8” x 0.8”
Weight: 62 g / 2.19 oz