Universal / Reversible

Can be either left-handed or right-handed

One Point

Door locks in 1 place (usually the deadbolt)

Two Point

Door locks in 2 places

Keyed Alike

Can be customized to match your existing key

Keyed Different

Compatible key options are not customized

1 (Best)

Maximum security and durability. Common for commercial or high-security use.

2 (Better)

Mid-level protection for homes and light commercial use.

3 (Good)

Entry-level rating for light-duty residential use.