Locksmith Multi Tool – Euro Cylinder Gauge, Cam Turner, Spindle Turner & Backset Measuring Tool | Heavy Duty Steel | Trade & Professional Use
6-in-1 Locksmith Multi Tool
Euro Cylinder Gauge • Cam Turner • Spindle Turner • Backset Gauge • Allen Key • Bottle Opener
A heavy duty steel locksmith multi tool that combines six essential functions into one compact instrument. Measure euro cylinder length and backset on site, throw the bolt after cylinder removal, turn spindles up to 10 mm, and make quick allen key adjustments – all without reaching for a separate tool.
Features & Specifications
| Euro Cylinder Gauge | Graduated mm scale for measuring euro cylinder length and backset while the lock is still fitted in the door. Range: 25–75 mm. |
| Cam Turner / Bolt Thrower | Slide into the lock case after euro cylinder removal to throw the bolt and open the door. Works on euro profile and oval lock cases in uPVC, composite, and timber doors. |
| Stepped Spindle Turner | Tapered square section fits spindle sizes from 6.5 mm up to 10 mm for direct door mechanism operation without a handle. |
| 3 Spindle Holders | Top of the tool holds 6 mm, 7 mm, and 8 mm spindle sizes for measuring followers and operating mechanisms on site. |
| Integrated Allen Key | 3 mm allen key tip at the base for quick hinge and hardware adjustments. |
| Bottle Opener | Built into the top edge – a handy extra for the end of a long callout. |
| Material | Heavy duty steel construction. Built for repeated daily use by trade professionals. |
| Size | Approximately 19 cm (7.5″) – compact enough for a trouser pocket or tool pouch. |
Why Carry Six Tools When One Will Do?
This all-in-one locksmith tool replaces a separate cylinder gauge, cam turner, spindle turner, spindle holders, allen key, and bottle opener. Less to carry in the van, faster on every callout. Whether you are fitting a replacement euro cylinder, testing a multipoint lock, or gaining entry after cylinder removal, this tool handles it.
Ideal for: Locksmiths • uPVC Door Installers • Maintenance Teams • Property Managers • Landlords • Fire & Rescue • DIY Enthusiasts
How It Works
Frequently Asked Questions
What cylinder sizes can this tool measure?
The graduated gauge covers euro cylinder lengths from approximately 25 mm to 75 mm, which covers the vast majority of residential and commercial euro profile cylinders found in uPVC, composite, and timber doors in the UK.
What is a cam turner / bolt thrower used for?
A cam turner (also called a bolt thrower) is used to operate the locking mechanism after the euro cylinder has been removed from the door. You slide the tool into the lock case and rotate it to throw the bolt, which opens the door.
What spindle sizes does the tool fit?
The tapered spindle turner section fits spindle sizes from 6.5 mm up to 10 mm. The three spindle holders at the top accommodate 6 mm, 7 mm, and 8 mm spindles for measuring and operating followers.
Will this work on multipoint door locks?
Yes. The cam turner can operate euro profile and oval lock cases, including multipoint locks fitted in uPVC and composite doors. The spindle turner is also useful for testing multipoint lock gearboxes during fitting.
What size is the allen key?
The integrated allen key tip at the base is 3 mm, which is a common size used for adjusting door hinges and other uPVC door hardware.
Is this tool suitable for DIY use or just professionals?
While it is designed with professional locksmiths and trade installers in mind, it is equally useful for landlords, property managers, and DIY enthusiasts who need to measure or replace euro cylinders, adjust door hardware, or test lock mechanisms at home.
Can I measure a cylinder without removing it from the door?
Yes. The graduated gauge is designed to measure the euro cylinder length while it is still fitted in the door, so you can determine the correct replacement size without needing to remove the existing cylinder first.
What material is the tool made from?
Heavy duty steel. It is built to withstand repeated daily use by trade professionals.
