Dagger (Weapon Type)

Bronze dagger
A Bronze dagger as shown in the Anvil interface
Some attributes
First	Attack Damage: 14 Attack speed 0.6 turns (1.2 seconds)
Second	Value:25 coins
Third	Low Alchemy:24 Coins High Alchemy:26 Coins
Other attributes
Fourth	Tier 1 Stabbing Weapon Level 1 Attack Required
Fifth	Damage Per Second: 11.7

Iron dagger
An Iron dagger as it exists in the Smithing interface
Some attributes
First	Attack Damage:18 Attack Speed:0.6 turns (1.2 Seconds)
Second	Value:75 coins
Third	Low Alchemy:71 Coins High Alchemy:79 Coins
Other attributes
Fourth	Tier 2 Stabbing Weapon Level 5 Attack Required
Fifth	Damage Per Second: 15

Steel dagger
A Steel dagger as it appears in the Smithing interface
Some attributes
First	Attack Damage: 26 Attack Speed: 0.6 turns (1.2 seconds)
Second	Value: 500 Coins
Third	Low Alchemy: 475 Coins High Alchemy: 525 Coins
Other attributes
Fourth	Tier 3 Stabbing Weapon Level 15 Attack Required
Fifth	Damage per second: 21.7

Mithril dagger
A Mithril dagger as it appears in the Smithing Interface
Some attributes
First	Attack Damage: 34 Attack Speed: 0.6 turns (1.2 second cooldown)
Second	Value: 5,000 Coins
Third	Low Alchemy: 4,750 Coins High Alchemy: 5,250 Coins
Other attributes
Fourth	Tier 4 Stabbing Weapon Level 30 Attack Required
Fifth	Damage Per Second: 28.3

Adamant dagger
An Adamant dagger as it appears in the Smithing interface
Some attributes
First	Attack Damage: 42 Attack Speed: 0.6(1.2 Seconds)
Second	Value 15,000 Coins
Third	Low Alchemy:14,250 High Alchemy:15,750
Other attributes
Fourth	Tier 5 Stabbing Weapon Level 40 Attack Required
Fifth	Damage Per Second: 35

Rune dagger
A Rune dagger as it appears in the Smithing interface
Some attributes
First	Attack Damage: 50 Attack Speed: 0.6 Turns (1.2 Seconds)
Second	Value: 75,000 Coins
Third	Low Alchemy: 71,250 Coins High Alchemy: 78,750 Coins
Other attributes
Fourth	Tier 6 Stabbing Weapon Level 50 Attack Required
Fifth	Damage Per Second: 41.7

Daggers are quick stabbing weapons with a high attack speed but a lower damage then most weapons. Its better to have a dagger then nothing at all!