Robust heavy duty plate type machine construction.Heavy duty disc shape perfectly balanced S. S. Spindles to twist 150 to 1200 D continuous filament yarn at primary stage & 300 to 3600 D continuous filament yarn at secondary stage.Possibility of section wise selection of 2/3 ply, just by pressing a button.Sturdy cradle design with specially designed package-weight-compensating device for better package built & to sustain nett weight of 2000 gms yarn at both the stages of twisting.A. C. inverter controlled spindle drive for smooth start & required speed setting.Adequate belt-pressure pullys to avoid any slippage even with heavy denier at higher speeds.Live RPM. TPM & YARN SPEED display for both stages of twisting.Improved sensors & heavy duty cutters to avoid single yarn entry.