Incra ULTRALITESYS Ultra Lite Jig Woodworking System Woodworking system that delivers 12-1/2 inches of positioning range Micro adjustability of 0.001 inches 3-point self-lubricating and self-cleaning linear bearing system Precise 1/32-inch increments allow you to zero in and cut without measuring Lifetime warranty on the rack; 1-year warranty on all other parts