cut olives before the pickling process , can cut olive from small size to size-30 mm long, and 20 mm wide. If there are really big olives you can make a scale for the whole device. It is very massive built so that it can withstand the load of work.almost no support is needed easy cleaning , Easy to assemble (there are detailed assembly instructions with pictures below) screw needed - 18 units of screw - outer thread diameter - 3 mm, overall length - 12 mm. 4 units of screw - outer diameter - 3 mm, overall length - 5 mm. (If you have not found such a screw, you can cut a longer screw, in any case the screw will not protrude into the rail, and will get stuck in the chain. You also need a standard blade of a cutting knife, and a simple rubber band.