Engraving lock: geometric designs

Red brass lock

Yi-shaped keyhole

Bai-shaped keyhole lock

Fish pattern lock

Broad lock

Gong-shaped keyhole lock

Monster pattern lock

Broad lock

Iron lock

Six springs lock

Engraving lock: two frolic dragons with a ball

Broad lock

Horse pattern lock

Engraving lock: plants and flowers

Character pattern lock: Happiness (Xi)

Engraving lock: fortune, prosperity, longevity

Turtle pattern lock

Dragon pattern lock

Engraving lock: fortune, prosperity, longevity