procurement of quad lock polycarbonate seal with uv numbering, two color type. procurement of quad lock polycarbonate seal with uv numbering, two color type. , quad lock polycarbonatesealtwo colour four no. anchor lockingfirst lock pre lock along with length, anchors visible in left and right side facingportion straight with seven stand sealing wire, connect male & female part of seal, first lock prelock seal having minimum length 230mm or more seal.seal size 33 x23x5 ( + / - 1mm ) ..polycarbonate seal should have ultra -violet numbering in semicircle shape termlaser printing type ( not screen printed ) visible only uv light tourch i.e.uv readable number in side of anchor part in orange / green / yellow colour ] having upcl logo and division code etdhld-2022 embosed.serial no.eight digit non repeating alphanumeric serial no. with laser engraved.