hole punch 1)hole distance:adjustable 2) holes punch:adjustable hole punch1.Competitive price.2.Continuance service and support.3.Diversified rich experienced skilled workers.4.Application expertise.5.Quality,reliability and long product life.6.Mature,perfect and excellence,but simple design.7.easy adjustable paper guide A4 A5 B6 US,F,etc8.locking handle for easy storage hole punch