The PneuTools TN65 is an Industrial Grade T Nailer for Light Gauge Metal Piercing, Wood to Concrete Block, and Wood to Wood applications. • The PneuTools TN65 uses 11/16 - 2 1/2 T Nails with a nail shank of .090 - .113. • This nailer?s industrial strength, light-weight die cast housing, and ergonomically designed rubber handle, means comfort and consistent ease of use on every job. • It features a Convenient 360 Rotational Exhaust, and a High Capacity Magazine to help reduce down-time on the job. • It also features Easy-View Low Fastener Alert Windows on the Magazine to help prevent dry-firing, which helps extend the life of the tool.