TEMCo 3 QTY Plunger Limit Switch Tools - NC-NO CNC Mill Plasma Router Lathe home 5 YEAR WARRANTY RIGID ALUMINUM FRAME ensures triggering accuracy over time. HIGH SHOCK and VIBRATION RESISTANCE allows for use in tough applications and environments. GASKETED BODY is water-proof, dust-proof and oil resistant. SILVER CADMIUM OXIDE CONTACTS are rated for 10,000,000 operations. 5 YEAR WARRANTY from an American name. NON-GENERIC.