Amazon has the Intcrown 4-Digit Combination Lock 2-Pack for $15 - $5 off with coupon F8EZRSW3 (Ends 12/11) = $10 with free shipping on $25+ or with Prime. List price: $30. Features constructed of high quality sturdy zinc alloy, safe and convenient 10000 combination codes with convenient 4 digit personalized resettable combination.
Has excellent Amazon Reviews.
Amazon has the GrowlerWerks uKeg 128-oz. Pressurized Growler for $144 with free shipping. List price: $199. Features 128 oz. double-wall vacuum insulated stainless steel, CO2 regulator cap with customizable tap handle and gauge, brass carrying handle, includes two 16 gram CO2 cartridges.
Has good Amazon Reviews.