The PORTER-CABLE TS056 Heavy Duty 3/8" Crown Stapler features Oil-Free operation requires no regular maintenance and eliminates the risk of oil stains. It has a dual trigger design which incorporates safety and comfort for all day use, along with a durable lightweight die-cast aluminum design. This stapler allows for bottom loading for quick reloads. This crown stapler drives both Heavy Duty 3/8" Crown staples from 1/4" to 9/16", and 18 ga Brad nails from 1/2" to 5/8" for a wide range of applications. Specifications: Sequential firing modes, Tool-Free jam clearance, Magazine capacity: 84 staples, Operating pressure: 80-100 psi. Includes: TS056 Heavy duty 3/8" Crown Stapler, Sample staples, manual.