High low/low thread, and pull-out to provide high drain fitting extraction resistance, Serrated V-threads, optimal insertion into all types of masonry, Drive T30 T side grille, and prevent camming out for riders to reduce wear Flat countersunk head with 5 impact flap ribs International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. ASIN B00P55PS3O Brand Falcon Workshop Unit Count 1 Count Part Number Lovely Bamboo-V Drive System Torx Manufacturer VIKINICY