Wax block for sheep marking. Metal housing clicks into ram harness. Can be used in summer or winter. Put on the marking harness 2-3 days before the ram goes out with the ewes. This allows time for the rams to adapt to wearing the harness and allows for the shepherd to adjust the harness for a proper fit. Switch crayon colours throughout the breeding season. This allows us to narrow down if/when a ewe was bred. This comes in handy during lambing season if you sort ewes into the barn based on when they were bred. Sold as eaches.