The Swix Base File Guide is the perfect way for you to get your base edges dialed in for superior edge hold and perfect carves. Both 1 Degree and 0.5 Degree Share the Same Image, Precise base edge file guide, File guide in aluminum for precision filework on base edges., Tool Type: Edge/Base Guide, Model Year: 2021, Product ID: 452018, Model Number: TA005N, GTIN: 7045951932102