Osram HTI1000/PS LOKIT by Osram $184.90 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart HTI 1000W/PS LOK-IT. HTI, 1000 watt, metal halide, Power Series, PGJX28 base, 6000K. Lamp replacement made easier, faster and safer with one-touch rotate & lock base.