Description Overview 120 used Washer Mayer tricot warp beams, 21 x 21 in (533 x 533 mm) For tricot warp knitting machines Offered separately from the machine Specifications Bore: 152 mm (6.0 in) Outside diameter: 535 mm (21.1 in) Inner working width between the flanges: 510 mm (20.1 in) Weight each: 30 kg (66 lb)