MASTER SERIES / REC NSDS Reel Seat Nickel Silver Down Lock / Skeleton - REC " Signature Model " , A very popular downlocking reel seat with the same features , trim lines, and detail as the NSUS which share interchangeable parts except the butt cap which is unique to this model. The slide band, nut, cork check, and butt cap all have rope knurling. Recommended for # 5 - 8 line weight rods. Diameter : 0.720" - Length : 3.900". Match this up with any flush model grip for an excellent pair.