Senco 9Y0001N Crown Stapler, 7/16 in W Crown, Heavy-Wire Staple, 160 Magazine, 3.98 scfm Air

For the most demanding applications, the NS20BXP combines all of the features and benefits of the standard NS20XP while providing 20% more power. The NS20BXP drives both 16 and 17 ga, 7/16 in crown staples (1 to 2 in L).