Defender Security Push-In Sliding Door Keyed Lock | Wayfair
Summit Doorware Patio Door Lock for Enhanced Home Security - Adjustable, Easy Installation, 2 Keys Included - High Grade Lock for Interior and Exterior Sliding Doors - Amazon.com
Sliding Patio Door Security Products | Sliding Door Parts | Prime-Line
Sliding Patio Door Locks with high security
Windfall Sliding Window Locks, Security Window Lock Aluminum With Key, Window Stoppers for Vertical & Horizontal Slide Door, Adjustable Security Locks, for Child Home Bedroom Double Hung Windows - Walmart.com
DOMETOUR Door Security Slide Latch Lock, Keyless Entry Door Lock, Thickened Stainless Steel Sliding Door Lock, Easy to Install Gate, Slide Latch Lock with 12 Screws (2 Pack) - Walmart.com