Brand Name: None Origin: CN(Origin) Type: Carabiners & Quickdraws Name: 4 Pieces Professional Carabiners Applied Tension: 25KN Size: 99*59mm Material: Hot wrought aluminum magnesium alloy Feature 1: Screw Lock System Feature 2: Anti Slip Coating Usage: Climbing Weight: 65g/Piece Gate open: 1.7cm