Note: Even with a 7 inch capacity deck, a deck for NAB hub adapter is required any for NAB volume. Specification: Item Type: Empty Tape Reel_x000D_Product Material: Aluminum Alloy_x000D_Applicable Tape: 1/4 Inch_x000D_Reel Diameter: 7 Inch_x000D_Applicability: Universal_x000D_Number of Holes: 11 Holes Features: 11/4 7 INCH: Empty tape reel is suitable for use with reel to reel tape players. This reel fits on any open reel deck that 1/4 7 inch diameter tape. 211 HOLES: Empty reel features an aluminum for NAB flange with a classic for Ampex design 11 hole windage hole for flex resistance and added strength. 3PERFECT REPLACEMENT: Restore your tape recorder or replace it with a new reel to give you perfect sound quality for recording, erasing, re recording, etc. 4ALUMINUM ALLOY: 1/4 7 inch empty tape reel is made of aluminum alloy, which is wear resistant, corrosion proof, and not easily damaged. 5HIGH PERFORMANCE: Tape takeup reel is high output, low noise, and gives you the sound and character of the tapes you know and love. PackageList: 1 x EmptyTapeReel