The OEM Automotive Tools Heavy Duty Mini Air Surface Prep Sander Kit, No. 24417, features a lightweight, compact body sander that is designed for small jobs like rust removal or surface prep in hard-to-reach places. The compact size of 1.15 lbs and 4.9” length is designed for working in confined spaces. The kit comes in a half blow molded case tray. It includes a heavy duty, mini air surface prep sander with one 2” backer pad, one 3” backer pad, two 2” and two 3” medium grit surface prep discs, two 2” and two 3” coarse surface prep discs, two 2” and two 3” sander discs, one air nipple and a wrench. The tool has a rating of 2.1 cfm at 90 psi with a free speed of 15,000 rpm. The recommended hose size is 3/8”.