Home Slickdeals Columbia River Knife and Tool 5510 K.I.S.S. in the Dark 2.25-Inch Serrated... Slickdeals Columbia River Knife and Tool 5510 K.I.S.S. in the Dark 2.25-Inch Serrated Blade Knife, Gray – $17.80 FS W/Prime. By ARCOM - 19 March 2018 164 0 SHARE Facebook Twitter Go to the deal page: Columbia River Knife and Tool 5510 K.I.S.S. in the Dark 2.25-Inch Serrated Blade Knife, Gray – $17.80 FS W/Prime.