Oneway Clamp Block 1-3/4 in. Gap is an essential accessory designed for securely attaching various Oneway tools such as the Bowl Steady, Spindle Steady, and Easy Coring Systems to the bed of your lathe. This clamp block is compatible with all Oneway lathes and many others, making it a versatile choice for woodturners. To ensure a fit, measure the gap between the bed ways of your lathe, as this model is specifically made for lathes with a 1-3/4 inch gap. Its precise design s stability and reliability during your woodworking projects, enhancing the overall performance of your lathe accessories. Model Number: 3154-169