Ball bearing corner rounding bit

Model Number D A1 A2 L1 L2 L3 R1 D
D-09422 6mm 15mm 8mm 37mm 7mm 3.5mm 3mm
D-09444 6mm 21mm 8mm 40mm 10mm 3.5mm 6mm
D-15475 21mm 8mm 40mm 10mm 3.5mm 6mm 1/4"