1. Yi amfani da maɓallin maɓalli na rabi yayin da sauran tsayin rigar bai daɗe ba don dinka dinki.
2. Canza tsayin fil-point da tsayin dinki da yardar kaina, kuma ana iya kiyaye tsayin alamar zaren sama da ƙasa har ma.
3. Na'urar sakawa ta musamman ta sa ɗinki ya fi sauƙi ta hanyar daidaita na'urar don daidaita tashin hankali na alamar zaren.
4. Auto thread trimmer.
Injin dinki na Hannu 781ya dace da kwat da wando na kasuwanci