The bostitch tu 216 2330k e pneumatic headless pinner is a compact 23 gauge headless pinner which is specially designed for fine detail work in the construction industry and industrial use benefits include a secondary safety trigger to reduce the risk of accidental start auto adjusting magazine for varying pin lengths together with a rear exhaust to direct air away from the nose piece specification magazine capacity 200 max nail range 15 30mm nail diameter 06mm operating pressure 70 100 psi 48 7