Cylinders & Keys4 min read15 April 2026

Why a cheap cylinder ends up costing you more

A cylinder lock costing €8 can be opened in 30 seconds using bumping or picking. We show the difference between a basic cylinder and a certified security cylinder.

security cylinderSKGcylinder lock

What's inside a standard cylinder?

A standard cylinder consists of five to six pins made of soft brass. They offer no resistance against bumping, picking or drilling — techniques any novice burglar can master in an afternoon.

SKG*** and what it means

SKG is an independent Dutch certification body recognised by European insurers. An SKG*** cylinder has built-in anti-bump, anti-pick, anti-drill and anti-pull protection. Keys are patented and cannot be duplicated without authorisation.

Price versus value

An SKG*** cylinder costs €80–180. A single burglary causes an average of €3,500 in damage, plus the emotional impact. The payback period is therefore zero. What's more, an increasing number of insurers require a certified lock as a condition for payout.

Frequently asked questions

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