1 SET~SINGER INDUSTRIAL WALKING FOOT DOUBLE PIPING WELTING FEET~#S85~size 1/4" ONE SET PER ORDER SINGER WALKING FOOT DOUBLE WELTING PIPING FEET #S84 1/4 OUTSIDE FOOT #S83 1/4 INSIDE FOOT WE ALSO CARRY SIZES:1/8", 3/16", 1/4".