Master Mechanic, 23 Gauge, Pneumatic Headless Micro Pin Nailer, Anodized Aluminum Magazine With Strip Loading, 60 - 100Psi Operating Pressure, Reversible Belt Hook, Trigger Safety, Lightweight, Die-Cast Aluminum Construction, Anodized Aluminum Cylinder Is Long Lasting, Soft Grip Handle Provides Comfort With No Loss Of Control, Air Filters Keeps Debris Out Of Tool, Pin Size Selector, Uses 23 Gauge Headless Pin Nails Ranging From 1/2" To 1" Pins, For Fastening Wood In Jobs Such As Hobby Work, Jewelry Cases, Detailed Trim & Custom Work.