Item Type: 1/4 7 Inch Empty Reel Material: Aluminum Alloy Applicable Tape: 1/4 Inch Reel Diameter: 7 Inch Applicability: Universal1SCOPE OF APPLICATION: Empty takeup reel for reel to reel tape machines. Fits any open reel machine suitable for 1/4 inch tape. 23 HOLE DESIGN: 7 inch empty reel comes with a classic for Ampex design with a 3 hole windage hole aluminum NAB flange for flex resistance and added strength. 3PERFECT REPLACEMENT: Fix your tape recorder or replace it with a new reel. Provides great sound quality for recording, erasing, re recording, etc. 4ALUMINUM ALLOY: 1/4 7 inch empty reel is made of aluminum for durability. With low noise and accurate size. 5SPECIAL ATTENTION: Even with a 7 inch capacity deck, the deck's NAB hub adapter is required for any NAB reel.Please allow some error due to manual measurement.1 x 1/47InchEmptyReel