Which types of carabiners are used for climbing?

I don't climb but, REAL climbing carabiners for keys - this one is from Metolius. 14 years old, action still smooth! : r/BuyItForLife

GEAR CARABINER

Locking Carabiner Buying Guide - GearLab

Top 18 Best Carabiners in 2024 [Tested & Reviewed]

STEEL HMS SCREW, locking carabiner

News - Petzl Carabiner how to guide: choosing and using the right carabiner - Petzl USA

Rock-climbing equipment - Wikipedia

Designed for climbing, hiking, rappelling tool, rescue, lock the dogs and harness, hanging hammocks and swings, keychain etc. IMPORTANT: 1). Rust-Free. 2). Heavy Duty 7075 Aluminium Material, the best raw material for climbing carabiners. 3). Lightweight, lighter than all other material carabiners, such as stainless steel/iron/copper etc. 4). D-Shaped Carabiner, hold the maximum strength than other shapes at the same size. 5).

FresKaro Locking Climbing Carabiners- UIAA Certified 25kn Auto Locking Carabiner Clips, Twist Lock and Heavy Duty Caribeaners for Rock Climbing

How to Choose Carabiners - Climbing

Which Carabiner Do I Need? — Bartlett Arborist Supply

STEEL HMS TRIPLE