This is a 1980 Case XX Lil Devil 10 dot knife model P51 SSP. The knife is in excellent condition and defect free. The knife blade is 2 3/4" and has not been sharpened since the Case factory. The sheath is also in excellent condition. I hope the photos will help you determine the excellent condition of this Case XX classic. Amazing condition for a knife that is 31 years old! You will not be disappointed and can . Thank you for your interest in this auction.