Adhesive cartridges are available in 200ml through 600ml sizes and provide an economical choice for users. Uni-body design has a rugged connection between the cylinders and offers a generous lead-in for easy of piston insertion. One-piece, closed-end outlet cartridges incorporate a “snap-off” closure molded in one operation in either PP or nylon. This eliminates many of the assembly steps required in open-end cartridges.