I purchased the Black Cyclone BLKST w/ spring assist blade 2 yrs ago and crud got between the handle and blade to where the blade would not open without manual effort. I contaxcted them and they replaced it free of charge for any knife of equal value. I chose the E.T. 1900 and it works great.
KAI USA : Kershaw Product Details
KAI USA : Kershaw Product Details