I've had this probe for several years and the depth and response time are perfect! Seems like items like this are getting harder to find. I had to look hard on the web to find it. I use with an IR gun that has a thermocouple connection. You should not buy a gun without one!
50209 Coiled Cord MicroNeedle Thermocouple Probe
Cooper-Atkins model 50209
Type K Micro Needle Probe - 0.043" diameter tip. Rounded Tip is not as sharp as most needle tip probes. 500F Max tip temp. 1 second response time in liquid. 48" (extended) coil cord. For use with Atkins & Cooper and most other Type K and J thermometers.
Available in K and J Types. Please allow extra time for Type J and Type T probes as they are made to order.