For Underlayment
The PowernailerŪ Model 50C SN surface nailer is used instead of hand nailing when starting boards are next to a wall. The model 50C SN can be used with 3/8" and 1/2" flooring using 1-1/4" nails; or 3/16", 1/4", 5/16" and 3/8" plywood underlayment using 3/4", 1" or 1-1/4" nails