Instruction Manual
Page 8
... Min. .240" (6.1 mm) Max. .259" (6.6 mm) 2" (50 mm) 3-1/2" (90 mm) .113" (2.9 mm) .131" (3.3 mm) ACCESSORIES DANGER ⅷ Accessories other nails can be driven with this Nailer. 28 degree offset round head Framing nails - The use only the genuine HITACHI nails for the NR90AF.
... Min. .240" (6.1 mm) Max. .259" (6.6 mm) 2" (50 mm) 3-1/2" (90 mm) .113" (2.9 mm) .131" (3.3 mm) ACCESSORIES DANGER ⅷ Accessories other nails can be driven with this Nailer. 28 degree offset round head Framing nails - The use only the genuine HITACHI nails for the NR90AF.