Features:1) Die cast aluminum body, reversible2) Adjustable torque3) Built-in air regulator varies speed and power4) Ideal for tire changing and general assembling work and other workshop applications5) Front exhaustSpecifications: 1) Square drive: 1/2" 2) Capacity bolt size: 5/8" (16mm)3) Free speed: 5,500rpm4) Max. torque: 450ft./lbs (610N-M)5) Air inlet (PT): 1/4"6) Air hose (ID): 3/8"7) Average air consumption: 8cfm (0.23cbm/min)Inner packing: Color boxesOuter packing:10pcs/ctn Carton dimensions: 43 x 40 x 23cm producing area:China payment:L/C, T/T supplying capacity:8,000pcs/month