Tool accepts optional 5" (127 mm) dia. Diamond Cut-Off Wheels with 3/4" (19 mm) dia. center hole. Adjustable wheel guard has vacuum port 1-1/4" (32 mm) outside dia. that diverts airborne dust and debris to optional vacuum source. Excellent for efficient cutting with capture of dust and debris. Ideal for use on fiberglass and composites. Non-marring composite base is removable to utilize maximum blade depth of 1-3/16" (30 mm). Optional composite base is available for scoring. Shroud/Guide Plate design allows cutting as close as 1/8" (3 mm) to leading edge of work piece. Wick Lube System extends gear life with simple lubrication. Exhaust system rotates 360 degrees to ensure exhaust is always directed away from operator. Safety-lock throttle lever is included. Tool includes 95848 Gear Oil and 95541 Gear Oil Gun. More information here! D13.09