Maximum optics and maximum protection are the basis of the new PivLock V2 Tactical. Utilizing the new FreeFloat™ lens technology, the PivLock V2 Tactical can absorb a serious impact. This is a super lightweight, frameless protective eyeshield that increases up vision and keeps you on target. If that wasn't enough, the PivLock V2 Tactical features 3-position adjustable nosepiece and performance-proven interchangeable lenses. FreeFloat™ Lens Technology. TLT (Tapered Lens Technology) corrects distortion. Anti-fog and scratch resistant coatings on all lenses. 100% protection from UVA/UVB rays. Frame Measurements 135-n/a-120.