Glock 42/43/43X/48 Fiber Optic Low Profile Small Frame ( ABA135 )Fits Glock 42,43,43X,48Kit includes: 1 Fiber Optic Front Sight .195" Tall 1 Blank Rear Sight .200" Tall with .125" wide notch featuring shortened front ledge that will fit slides cut for an optic Fiber Optic Rod 2" 1.5mm Red 2" 1.5mm Green Screws Front sight screw Rear sight set screw DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.