Jet 723950 Floor Mount Oscillating Spindle Sander, White Baffles create a CHAMBER under the table for improved dust collection 4" dust port connects to your dust collection system to keep your work area clean and integrated storage provides designated slots for spindles and table inserts Spindle lock for quick and easy spindle changes. Main spindle support runs on precision ball bearings and is oscillated by a heavy-duty worm and gear mechanism for consistent performance Table tilts 45 front and 15 back and features a 90 quick index Sealed access door minimizes dust in the storage area. 1-1/2" Oscillating action reduces friction heat to protect wood and prolong sleeve life