BIESEMEYER 30 in T Square Fence and Rail System Garden Supplies Combining extreme durability with features Combining extreme durability with features like tool free indexed depth setting The Blossom Smart Watering Controller automatically programs itself based on real time local weather data collected from the Internet to create an optimized watering schedule for your yard Upgrade your table saw with Delta T Square 30 in fence and rail system Mounting design attaches to Delta and most other table saws with cast iron tables 1 Piece 14 gauge 2 in X 3 in rectangular steel guide tube mounted to angle iron rail Laminated 9 ply birch plywood sides are durable and non marring Fence body constructed of 14 gauge welded steel 3 Point locking system with twin hairline pointers to assure fence is parallel to blade Fence is easy gliding on nylon pads with quick action handle with magnets to hold handle up in release position Fence securely clamps to front tube only to insure perfect parallelism