THE SHARS 250-304 BORING BAR HOLDER IS DESIGNED TO ACCOMMODATE A 1-INCH BORE SIZE, MAKING IT SUITABLE FOR VARIOUS MACHINING APPLICATIONS. IT IS COMPATIBLE WITH LATHES THAT HAVE A SWING RANGE OF 13 TO 18 INCHES. THIS HOLDER IS ENGINEERED TO SECURELY HOLD BORING BARS, PROVIDING STABILITY AND PRECISION DURING MACHINING OPERATIONS. IT REQUIRES APPROPRIATE TOOLING TO FUNCTION EFFECTIVELY.