Merrowmachinestyle70-D3B-2(highpilegapseamparts)TheattachedsampleshowsabuttedseamproducedbyaMerrowstyle70-D3B-2highpilemachine.Thismachineisusedwithextraheavymaterialwhenabuttseamisdesired.The70-D3B-2highpilemachineisarrangedwithspecialpartsincluding:extloopers,amodifieduppercuttercarrier,andpartsallowingnarrowcutting.Approximateseamwidthis5/8 inch.Recommendedspeedonstyle70-D3B-2is1800stitchesperminute.