The SP Air 1/8" Micro Grinder, No. SP-1900, features a soft grip, a rear exhaust, and a flexible 59" hose. The Micro Grinder can reach a free speed of 70,000 rpm and has an air consumption rate of 0.7 cfm. The dimensions are 5.5" long (without the hose) and 0.67" wide, with a weight of 0.77 lbs.