The ZPT series vacuum cups are available in diameters from 2 to 125mm, 6-cup materials, and 4-cup designs (flat, flat with ribs, deep and bellows), to suit multiple applications. Vertical vacuum entry connections can be made via one-touch fittings or threaded connections. Optional buffers can be ordered with up to 50mm stroke. SMC's ZP2 series vacuum pads are available in diameters from 2 to 340mm, and offer a variety of pad materials and designs. The ZP2 series was designed to standardize special products designed for the ZP series. Pad types include: miniature pads, compact pads, nozzle pads, multibellows pads, sponge pads, mark-free pads, oval pad variations, and heavy-duty pad variations. Optional buffers can be ordered with up to 100mm stroke. The ZP3 line of vacuum cups has a compact pad and the buffer body has been shortened by as much as 2.2" when compared to the ZP series. The optional buffer can be ordered with up to 20mm stroke.