MODEL Radius Of Boom M Height M Sewing Range 3 Section Placing Boom HG28H HG32H 27.7 31.7 22.9 22.9 360 DEG 360 DEG 4 Section Placing Boom HG28B HG32B HG38 28 32 38 20 22.9 22.9 360 DEG 360 DEG 360 DEG