It's been in 1.8 kg tin for years and now it's a 1.5, it costs a bit less as well.
1.5 kg is the usually right amount for a five gallon brew. You'll need a Kg of sugar to go with it . It will give an OG of about 1039 with the sugar
Use the light for lagers, pale ales and bitters.
If a recipe is just asking for a malt extract then it's probably this one.