Utilizing a dot-over-dot configuration, AMERIGLO i-Dot night sights are an excellent design for all shooters. The i-Dot sights provide a quick and easy vertical sight alignment. Does not fit Glock MOS slide.
Specifications:

Type	Tritium Front/Rear
Frame Material	Steel
Frame Color	Black
Firearm Fit	Glock 20/21/29/30/31/32/36/41
Base Configuration
Style	Set
Front Material	Tritium
Rear Material	Tritium
Front Color	Green w/Orange Outline
Rear Color	Green w/White Outline
Rail Size
Windage Adjustment	No
Elevation Adjustment	No
Fiber Diameter
Firearm Type	Pistol