Acrylic semi-circular lens has a 75mm base and is 15mm thick. Additional Info: Acrylic semi-circular lens has a 75mm base and is 15mm thick. Package Size(L x W x H): 3.5 X 2 X 0.75 (IN) Categories: Optics, Lenses HTS Code: 9001.90.5000 UNSPSC: 3.12415e+007 Country Of Origin: INDIA