Scalpmaste Nano Rat Tail Comb Go to amazon.com Related posts Check expert advices for styling comb? FeatureScalpmaster 8" nano rat tail combMade in USANano rat tail comb DescriptionScalpmaster 8" Nano rat tail comb. Made in USA. Nano Rat Tail Comb. 1.5" L x 0.2" W x 1.5" H. Its a beauty product.