By adding to cart, I understand and agree to the Domestic Restricted Product Policy and certify that I will comply with applicable federal, state and local laws and regulations.HHA Sports Lens Kit, 1 3/8 in. 4X, is a part of the high quality and dependable BW-Archery - Bow Sights from HHA Sports. All of the features you need for a price you want. BW-Archery - Bow Sights from HHA Sports are well known for their quality and HHA Sports Lens Kit, 1 3/8 in. 4X, upholds that standard.