What is the material of WOW sight?

There are two kinds of sights in level 70. As follows:

Structure diagram: stable gold sight

Pick binding

Need engineering (375)

Teach you how to make a stable gold sight.

Stable gold sight

Need level 60.

Use: Add a permanent sight to a bow or gun, increasing its critical strike level by 28.

Need: Hardened pure gold pipe (2) Magic steel stabilizer (6) Allen star (2)

Karazan No.1 BOSS hunter Artumen fell.

Structural drawing: Krypton sight

Pick binding

Need engineering (360)

Teach you how to make a kryptonian sight.

Krypton sight

Need 55 levels

Use: Attach a permanent sight to a bow or gun to increase its attack damage by 12 points.

Requirements: Hardening refined gold tube (1) kryptonite ingot (4) Dawn stone (2)

Netherstorm's archers fell down angrily.