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.?