Features: All working parts are hardened & ground. Maximum rigidity for chatter-free performance. No time wasted with shims. Increases Productivity of all lathe operations. Completely sealed for maintenance-free operations. Change tools in seconds. Tool Post Order No. Swing Up To Master Post Dimenison 402-1000 7" 1-7/8" x 1-7/8" x 1-1/4" 402-1005 7"~10" 2-3/4" x 2-3/4" x 402-1010 10"~14" 3-7/8" x 3-7/8" x 2-3/8" 402-1015 14"~18" 5" x 5" x 3-3/8" 402-1020 18"~24" 5-5/8" x 5-5/8" x 3-3/4" 402-1025 Over 24" 6-7/8" 6-7/8" x 4-3/4" 402-1030 Over 24" 7-7/8" x 7-7/8" x 5-5/16" 402-1035 Over 24" 8-7/8" x 8-7/8" x 5-7/8"