Bending Shoe Product Type Bending Shoe Minimum Compatible Pipe Size 2 1/2 in Maximum Compatible Pipe Size 2 1/2 in Compatible Tool Series STB101 Pipe Bend Radius 9 1/2 in Compatible Manufacturer Model Number STB202B STB202E STB202N STB202X Compatible Grainger Part Number 25TU91 25TU92 Compatible Pipe Schedule 160 40 80 Compatible Wall Thickness 0.203 in 0.276 in Tool Series BZ