![Flat Bottom V (FBV), Radius of Hollow (ROH) or ProSharp Z-Channel FAQs - Bay Area Hockey Repair & Skate Sharpening Flat Bottom V (FBV), Radius of Hollow (ROH) or ProSharp Z-Channel FAQs - Bay Area Hockey Repair & Skate Sharpening](https://i0.wp.com/bayareahockeyrepair.com/wp-content/uploads/2020/10/Blackstone-Prosharp-Shape-ScaleWEBSITE-e1609297477484.jpg?fit=600%2C388&ssl=1)
Flat Bottom V (FBV), Radius of Hollow (ROH) or ProSharp Z-Channel FAQs - Bay Area Hockey Repair & Skate Sharpening
Blade Barber - If your goalie skates have 4mm thick blades you'll need to use this chart to determine what Blade Barber is best. If your 4mm blades normally get a 5/8”
Blade Barber - A traditional radius of hollow (ROH) sharpen gives these bite angles for 3mm thick blades and 4mm thick blades. We should extend the range to cover smaller and larger
![Player) Skate Sharpening Hollow equivalents and Shapes, for reference. I made this as I did the results of the survey, thought I should share. Red outlines most common choices for our sub. : Player) Skate Sharpening Hollow equivalents and Shapes, for reference. I made this as I did the results of the survey, thought I should share. Red outlines most common choices for our sub. :](https://preview.redd.it/u8qsr62r5i041.png?auto=webp&s=276214c4df5456847c541323c0e1cae1e3feaa6d)
Player) Skate Sharpening Hollow equivalents and Shapes, for reference. I made this as I did the results of the survey, thought I should share. Red outlines most common choices for our sub. :
![Sparx Hockey on Twitter: "What's the difference between an NHL skate sharpening and yours? Probably your hollow :). #skatesharpening #shallow https://t.co/Ybuzf3RwDr" / Twitter Sparx Hockey on Twitter: "What's the difference between an NHL skate sharpening and yours? Probably your hollow :). #skatesharpening #shallow https://t.co/Ybuzf3RwDr" / Twitter](https://pbs.twimg.com/media/C6bErHZXMAA97ni.jpg)