Over 50 years of Quality European Manufacturing have made BISON the number one choice for Steel and Semi Steel Manual Lathe Chucks. Whether scroll, independent or collet, these chucks have been replacing the competitions for the last 30 years without sacrificing production. Their value is not just an exceptional price but European craftsmanship made to international specifications with ease of maintenance. Offered with direct spindle mounting or special application back plates their easy installation is recognized and appreciated in the industry. All parts are manufactured and assembled in the same plant for consistent repeatability in material and workmanship. Spare parts and jaw options are readily available eliminating excessive downtime for new product conversions and standard maintenance. When it comes time for a new chuck, BISON is the only brand to buy.