





🔐 Lock in security, unlock peace of mind.
The Sterling Int Ext BS1 ETN Thumbturn Door Cylinder is a 70mm total length, satin nickel finished lock cylinder independently certified by BSi with TS007 1* Kitemark. Designed with advanced anti-pick, anti-drill, anti-bump, and anti-snap features, it offers police-endorsed security for a wide range of door types including timber, UPVC, composite, and aluminium. Ideal for both residential and commercial use, it comes complete with 3 keys and fitting screw for easy installation.
| Manufacturer | Sterling | 
| Part number | BS1 ETN3535 | 
| Item Weight | 290 g | 
| Product Dimensions | 7 x 1.5 x 2 cm; 290 g | 
| Item model number | 35mm Int 35mm Ext | 
| Size | Internal 35mm External 35mm (70mm Total) | 
| Color | Satin Nickel | 
| Style | Internal 35mm External 35mm (70mm Total) | 
| Finish | Satin Nickel | 
| Material | Aluminum | 
| Shape | Round | 
| Item Package Quantity | 1 | 
| Number Of Pieces | 1 | 
| Special Features | Key Unlock | 
| Included components | Lock Cylinder, 3 Keys, Fitting Screw | 
| Batteries Required? | No | 
A**R
Massive upgrade for log cabin doors
If you buy a Tuin log cabin they come with pretty shoody cheap locks. This took me 10 minutes to replace and the added bonus is I can now lock myself in so the wide and kids can't get to me. #shedlife
R**D
Average Lock
Average not different from any other. Took too long to be delivered.
I**N
Secure, easy to install lock
Being. Euro standard lock all locks should just slot in and work - this one does just that and feels like a secure, quality product.
D**D
Good lock
Very pleased with this lock, easy to fit and smooth in operation, thank you.
L**Y
Saftyfirst
Value for your money, installed in a couple of minutes, would use this company again thank you.
Trustpilot
3 weeks ago
1 month ago