Please see the table for Published Lead Time Estimates for a lead time estimate on this product.
If you bought the Primer Pocket Probe with only one size pin, you can get the other pin size here. Just select the pin size you need and add it to your cart.
The small pin is used for detecting ringers and missed deprimes. The large pin will work for detecting small primer pockets, missed deprimes, and large primer ringers.
Please note: primer pocket probe pins are wearable items and are not covered by any warranty; implied or otherwise.