The screenstretching machine is used to make the stencil,it can stretch the polyester mesh on the screen frames ,so the machine is a important equipments in making stencil process. Feature Easy Frame Size Adjustment Corner Softening Capabilities While Under Tension Compatible with Essentially all Frame Types Stretches Directly from the Bolt of Fabric Utilizes a Wide Locking Bar for Easy Use No Special Training or Tools Required Maintenance-free DesignParameter Min. stretching area: 250*250 MM Max. stretching area: 600*600 MM Max. stretching tension: 50N/CM Weight: 24 KG Package size: in one carton( 65*47*28CM)24" Hand Stretcher, 2PCs 24" Hand Stretcher, 2PCs Adjusting frame in Sizes from 10" to 24"(one set, 4PCs) or 10" to 48" (2 sets, 8 PCs) each side.