All Tool You Need - 1 pcs valve stem puller installer Tool, 10 Pcs TR412, 6pcs TR413, 6pcs TR414 valve stems with 20 pcs valve stem cores, 1 pcs single head valve core tool, 1 pcs double heads valve core remover tool, 1 pcs 4 way valve tool. | Valve Stem Puller - For installation or removal of snap in type tubeless tire valves | Rubber Tire Valve Stem - These rubber tire valve stem with bolt-in design, easy and convenient to install and hold the pressure well; Durable and practical | 4 Way Tool - Remove your valve core, re-tap threads and ream the inside of the valve (also works on A.C. unit valves) | Single or Double Head Tire Valve Core Remover - For quick removal or installation of tire valves. It is often necessary to wring out the valve core when aerated or deflate the tire, then you need the tire valve removal tool