@user7612940114746: #Blades #jigsaw #cutting #wood #aluminum Straight blades can’t do close flush cuts against walls Curved shape enables smooth flush cutting Cheap thin blades bend easily when cutting wood Industrial carbon steel keeps blades rigid and sturdy One blade only works for single material Works perfectly on both wood and aluminum Blades slip loose from jigsaw machines Standard T shank fits most electric jigsaws tightly Buying single blades repeatedly wastes money 3pcs pack meets long-term cutting demands