DELTA BC30 30 Inch Commercial Biesemeyer Table Saw Fence Includes 42-inch fence and rails for 30-inch right and 12-inch left of blade cutting capacity (78-200 and 78-130) Three point locking system and hairline pointer is accurate to within 1/64 of an inch Steel tape is built in eliminating the need for hand-held tape Fence body glides smoothly Finland birch construction