12 Pieces Rolling Ball Pens, Quick-Drying Ink 0.5 mm Extra Fine Point Pens Liquid Ink Pen Rollerball Pens (Black Ink)
Super quick-drying rollerball pens: with precision tip and smooth writing black ink, the rollerball ink dries quickly that help you keep work neat and organized; You will love this style of super quick-drying rollerball pen once you try it
Feature: these roller ball pens come with extra fine point (0.5 mm) and black ink for precise writing, small and delicate, fashionable and durable
NO leaking and visible ink supply: transparent rollerball pen tube has a unique design with a transparent pen case, you can clearly see the ink supply, which have good quality ink and will not leak ink, even if you use for a long time
QPKING Automotive Engine Intake Pipe Valve Clean Machine Valvetronic System Walnut Powder Sand Carbon Deposits Cleaner Automotive Cleaning Tools AUTO Engine System Cleaners
【Deep removal of carbon deposits】Deeply remove the highly sticky carbon deposits on the intake manifold, intake & exhaust valves.（Solve the problems of unstable idling, insufficient fuel combustion, and reduced air-fuel ratio.)
【External air source】This enables the walnut sand grit to strike the carbon deposits more powerfully and efficiently.
【Built-in dust filter】It can separate the recovered walnut sand grit from carbon deposits for recycling.