he cosmostar cosmostar mixing and dispensing gun, impression mixing dispensing ab gun ratio 1:1/1:2 for 50ml, compatible with 3m adhesive 04747 cartridges, cosmomix mixing epoxy cartridge dispenser gun 1:1/2:1 - 1 pcs is up for auction in Industrial & Scientific. The current bid is $1.00, 95% below the $19.99 MSRP, in As Is condition. Bid on this item at our Strongsville - Drake Rd location before the auction closes.