MILWAUKEE, 2540-20, M12 23 Gauge Pin Nailer unmatched productivity, accessibility in tight spaces and confined corners with a lightweight, ergonomic design. The nitrogen air spring mechanism allows the nailer to consistently sink pin nails at proper depth into hard or softwoods while leaving small, clean nail holes. The double-action trigger and non-marring precision point tip allow you to perform sequential driving and accurate pin placement into delicate trim pieces. The dry-fire lockout feature prevents misfires and workpiece damage. The M12 Pin Nailer drives 23-gauge headless pin nails ranging in length from 1/2” to 1-3/8” and features all-day run time with up to 750 pin nails per charge when paired with our M12 REDLITHIUM CP1.5 battery pack.