It is central Eyre Peninsula's main grain storage hub, as it is surrounded by a predominantly farming community, with emphasis on cereal crop production.

The town has a hotel, caravan park, motel, supermarket, post office, police station, library, sporting complex, golf and bowling clubs and area school.

[3] The potential for wheat cropping was realised with the establishment of the railway, but the low rainfall kept any developments from happening until the pipeline from the Tod Reservoir was connected.

[4] The Lock Heritage Museum displays a number of old wartime, farming and household items used in the area many years ago.

[5] The town is located in the geographic centre of the Eyre Peninsula, surrounded by mostly flat farming land, with patches of remnant vegetation.