This is a KDK 300 Series Quick-Change Tool Post w/ 2 Tool Holders. For lathes with 24 swing & up. Only a second to change tools. Rugged - No chatter or vibration. No time wasted with shims. Safe and simple to operate. Speed your lathe operations up to 90%. For fine precision work to heavy-duty cutting. KDK-302: Threading & Facing Bar Combination - 1-1/4" & 1-1/2" Capacity. KDK-305: Master Bar for Boring Bars - 2-1/2 Capacity. Tool Post Overall Dimensions: 6-1/2" x 8-1/4" x 5-1/8 high. Comes exactly as shown in pictures. KDK 300 SERIES QUICK CHANGE LATHE TOOL ...