quick electrical question

will these components all work together. im pretty sure they will but i just want a second opinion. thanks!

http://www.screwfix.com/prods/89464/Lighting-Lamps/Commercial-Industrial/Industrial-Lighting/Low-Bay-Body-Low-Bay-Glass;jsessionid=MVALY2AXN5DAUCSTHZOSFFQ?ts=07136


http://www.screwfix.com/prods/38749/Lighting-Lamps/Lamps/HID-Lamps/Sylvania-SHP-T-150W-HID-Sodium-SON;jsessionid=MVALY2AXN5DAUCSTHZOSFFQ?ts=07136

http://www.screwfix.com/prods/64251/Lighting-Lamps/Commercial-Industrial/Retail-Display-Lighting/Robus-HID-Gear-Box-150W;jsessionid=MVALY2AXN5DAUCSTHZOSFFQ?ts=07136

And does the gear box just wire easily into the lamp?

You must be able to get a 150w hps for less than £50-odd, I got a 600 with a digi ballast for £65! Have a shop around, that's a lot to pay for a little lamp.