Tips : Proof torque : 1 / 4 " ratchet handle torque value 82.8N.M ( 650lbf-in ) ; 3 / 8 " ratchet handle torque value 263.9N.M ( 2340lbf-in ) ; 1 / 2 " ratchet handle torque value 379.9N.M ( 3363lbf-in Perfect present : Before use , please refer to the maximumtorque of each wrench , do not the maximumtorque to cause damage to the ratchet Perfect present for Father ' s Day , Christmas , Birthday , Anniversary , Valentine ' s Day 3 In 1 Design : The ratchet handle 1 / 4 " , 3 / 8 " and 1 / 2 " drive , with less to carry High-Strength Materials : Full-polish ratchet is chrome steel to provide excellent durability The finish provides resistance to corrosion.Strong 72 tooth ratchet allows for greater torque to be apply to a firm grip on and bolts , only need a 5°arc swing to turn fasteners Reversible Design : Flush mounted reversing lever allows you to change direction without the socket from the fastener Good : ratchet handle is practical design , widely applicable in industry as home maintenance , car repair , motorcycles , and electric vehicles, Manufacturer: Watreketal