Check the listing for details. Solarez Fly Tie THIN-Hard Formula. Condition: New. Listed at 14.95 USD. LOW ODOR, CURES IN SECONDS, GUARANTEED TACK-FREE WHEN CURED WITH OUR SOLAREZ UV LIGHT SYSTEMS! Thin – Hard Formula is approximately the same viscosity as 30 wt. motor oil. It is easy to apply a thin, shellac-like clear coat that will cure in seconds when irradiated with sunlight or our UV flashlight. This product is a very durable aliphatic urethane that characteristically does not yellow with age. Usage tip: Apply in shade. Irradiate with intense UV light for ONE SECOND. Wait 15 seconds. Irradiate again for one second. Wait. Complete with 30 full seconds UV light. This technique will reduce heat & shrinkage. Visit our eBay Store: Blue Wing Olive. Flat Rate Shipping! Only pay the shipping on the first item from our eBay Store BWO FLY. Add additional items for NO ADDITIONAL SHIPPING charge.