The better you can see your sights, the better you can shoot. We brought fiber-optics to the shooting sports industry decades ago for this very reason. TFO pairs our fiber-optic sights with our tritium night sights to create a consistently bright sight picture day or night. Snag resistant design, fits standard holsters. Fiber Diameter: 0.060". Front Sight Length: 1.0". Front Sight Width: 1.0". Front Sight Height: 1.0" Rear Sight Length: 1.0". Rear Sight Width: 1.0" Rear Sight Height: 1.0". Compatible w/Glock 17/17L/19/19X/22/23/24/26/27/33/34/35/39/45, except MOS. Specifications: Type: Front/Rear Set Frame Material: Steel Frame Color: Black Firearm Fit: Glock 17/19/22/23/24/26/27/33/34/35/38/39 Style: Square Front Material: Tritium/Fiber Optic Rear Material: Tritium/Fiber Optic Front Color: Green Rear Color: Green DISCLAIMER: "GLOCK" is a federally registered trademark of GLOCK, Inc. and is one of many trademarks registered by GLOCK, Inc. and GLOCK Ges.m.b.H. Neither AR15Discounts nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of any "GLOCK" trademarks on this page is merely to advertise the sale of pistols, parts, components or accessories that are compatible with GLOCK pistols. For genuine GLOCK, Inc. and GLOCK Ges.m.b.H. products and parts visit www.glock.com