


🔐 Lock in safety and style—because your home deserves the best!
The Prime-Line U 9809 Sliding Window Lock is a sturdy, diecast secondary lock designed specifically for vinyl sliding windows. Featuring an adjustable jaw that fits frame thicknesses from 1/16" to 1/2", it secures windows firmly without damaging the frame. Its cam-style lever allows locking in a ventilated position, combining safety with fresh airflow. Easy to install with no tools needed, this white-finished lock offers reliable childproofing and peace of mind.



























| ASIN | B005H3N43K |
| Brand | Defender Security |
| Brand Name | Defender Security |
| Colour | 1 - White |
| Customer Reviews | 4.3 out of 5 stars 4,377 Reviews |
| Global Trade Identification Number | 00049793098092 |
| Item Dimensions | 30 x 25 x 508 Millimeters |
| Item Weight | 127 g |
| Item dimensions L x W x H | 30 x 25 x 508 Millimeters |
| Manufacturer | Prime-Line Products (Home Improvement) |
| Manufacturer Warranty Description | Contact seller of record |
| Model Number | U 9809 |
| UPC | 049793098092 |
D**C
Not made of plastic, great sturdy design for childproofing
M**C
Terrible didn’t work for me
M**H
Very strong
K**E
Great Window Locks – Peace of Mind (and Dog-Approved Durability)!
P**R
Muy util y de excelente calidad
Funciona muy bien para asegurarlas ventanas y el material se siente resistente. Lo volveré a pedir para otras
Trustpilot
1 month ago
4 days ago