The 1R-300 is a Table-top lapping and polishing machine with continuously adjustable speed. The main area of use is for small numbers in laboratories and university research institutes. The 3R-600 - 4R-1200 range are the ......The 1R-300 is a Table-top lapping and polishing machine with continuously adjustable speed. The main area of use is for small numbers in laboratories and university research institutes. The 3R-600 - 4R-1200 range are the production machines for medium to large workpieces in series production. These machines are offered by Peter Wolters with options for variable speed, pneumatic loading system and cooled lapping wheel, depending upon the application. Peter Wolters offers a complete After-Sales-Service, which includes rapid supply of consumables and spare parts as well as a customized training, trouble shooting and expert recommendations by our skilled service and application technicians.