ASCO Products nameVersionmagnificationstrengthitem No.watchmaker loupebiconvex2.5x4510577watchmaker loupebiconvex3.0x3 1/2510576watchmaker loupebiconvex3.5x3510575watchmaker loupebiconvex4.0x2 1/2510574watchmaker loupebiconvex5.0x2510573watchmaker loupebiconvex10x1510571