Net-Rex Sure Sired All Weather Marker Crayons have been rated by the British Wool Marketing Board as the best group of marker crayons in extensive weather tests. They are bright, durable and fully scourable. The long life formulation means they mark more ewes per block! Will not injure ewe when worn down. Fit and stay withing the secure holding mechanism in the Net-Tex Ram Harnesses. Presented in robust, rust-proof plastic containers.
Colours: Red, blue, green, orange, yellow, black
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