Woodhaven 4516 3" Curved Stop A good stop system is necessary for accurate cuts. Our Curved Stop attaches to the top of our 3" tall 4400 Ultra Track. 3/4" thick phenolic stop arm can be mounted on the left or right side of the stop block, rotates on a stainless steel shaft and auto-lifts when stock up to 7/8" thick is pushed against it. Top finger grip makes it easy to manually flip arm up. Includes a cursor to use with a Ruler Bar (4824 or 4848) and 3/4" subfence (4424F or 4448F), order separately. Optional 4523 Micro Adjuster also available, order separately. Lifetime guarantee against defects in material or workmanship. Made in the USA!