The model 401 & 502 Porta-Nailers are designed for nailing 25/32" and 33/32" hardwood tongue and groove flooring. Nailers look used but in good condition. There is a box of 1000 2" Porta-nails and some additional shoes included which may be the following as described in the manual: "An accessory nailing shoe is available for the 401 to nail 3/8" to 9/16" flooring with the standard 2" Porta-nail. There's also an angled shoe base for the 401 to nail 3/4" hardwood over 3/4" plywood over concrete."

Not tested; use at your own risk.