Far-Sighted Lens Technology (FSLT) lenses deliver sharper aiming reference by clearing up your pin
Patented light baffling technology for reduced glare
Water/oil-resistant verifier lenses to clear up your pin for optimal performance

Specifications:

Durable, water-resistant carry case designed for easy storage and organization
Color/Size: Purple (0.75), brown (1.0), red (1.25), black (1.50), Blue (1.75), Yellow (2.0)
FS Raptor housing, cartridge, apertures, and installation tool sold separately