THE SHARS 250-301 TOOL POST HOLDER IS A CXA 1 QUICK CHANGE TOOL POST HOLDER DESIGNED FOR LATHES WITH A SWING RANGE OF 13 TO 18 INCHES. IT ACCOMMODATES TOOL CAPACITIES RANGING FROM 1/2 INCH TO 3/4 INCH. THE HOLDER FEATURES A WEDGE WITH DIMENSIONS OF 2-1/8 INCHES, A LENGTH OF 3-1/4 INCHES, A WIDTH OF 1-3/8 INCHES, AND A HEIGHT OF 2-1/8 INCHES, EXCLUDING THE MIDDLE SCREW. INCLUDED WITH THIS TOOL POST HOLDER IS THE SECO DCLNR-12-4B TOOL HOLDER, WHICH HAS A SHANK HEIGHT AND WIDTH OF 3/4 INCH EACH. THE TOOL HOLDER HAS A LEAD ANGLE OF 95 DEGREES AND AN OVERALL LENGTH OF 4-1/2 INCHES. IT IS DESIGNED WITH A NEGATIVE RAKE AND IS CONFIGURED FOR RIGHT-HAND USE. THE INSERT SIZE CODE FOR THIS TOOL HOLDER IS CN43, AND IT FEATURES A RAKE ANGLE OF -6 DEGREES.