Synergys LKSPROBE LeakShooter Contact probe. Synergys LeakShooter contact probe with cable designed for mechanical applications (worm bearing, gears, etc.) and steam traps, the LSK Contact probe is the right choice for your leak detection applications. Use the LKS contact probe to check and quickly hear internal movement through steam traps and valves. The LKS contact probe makes is possible to detect abnormalities, (for example: permanent leak of steam). Also, as with all applications you can document the findings with images.