This is a lot of many TR-415 valve stems + bonus TR-415, TR-418 Valve Stems.

TR-413 Qty:  137 (by weight calculation, missing a few caps)
TR-418 Qty:  19 (no caps)
TR-415 Qty:  2 (with caps)

TR-413 Description
1. a lot of TR 413 Snap-In Tire Valve Stems Short Black Rubber
2. Package contains TR413 complete with core and most have plastic cap
3. Hole: 0.453",
4. Length: 1-1/4"
5. Size Base inside rim: 0.78"
6. Size Base outside rim: 0.66"
7. Effective length: 1.25"
8.Cap Thread: 0.33" long.
9. Professional Installation is Highly Recommended
10. No Instruction Included

 

Package including

Roughly 158 total Valve Stems
As pictures shown