Walking Airplane Groover – 24" x 8" Round End, 1" Double Bit (No Bracket)24 x 8 Airplane Groover Round End Double Bit has 1 inch bit depth, 1 2 inch bit width, and is made of high quality cast aluminum with a broken in face. Round End Airplane groover with deep bit and no bracket. 24" x 8" Walking Airplane Groover with 1" Double Bit No Bracket Contractor grade Walking Airplane Groover designed for large concrete projects. This 24" x 8" round end groover features a 1" double bit and is sold without a bracket, making it