TEMCo 8 pc Micro Limit Switch Long Roller Lever Arm SPDT Snap Action home LOT HIGH SHOCK and VIBRATION RESISTANCE allows for use in tough applications and environments. SILVER NICKEL/SSILVER CADMIUM CONTACTS are rated for 10,000,000 operations. SEEKING RELIABILITY and SAFETY these switches offer a high precision of the action seat. 5 YEAR WARRANTY from an American name. NON-GENERIC.