1) Easiest to use wrench for do-it-yourself projects and repairs 2) Jaws open and close with the push of a button 3) Its slip-torque action locks on contact for a perfect fit. Without compression so you wont even hurt a finger 4) Engineered in super-strength reinforced plastic 5) 2 x AAA batteries (not included) Packing: 48pcs/ctn Carton dimensions: 58 x 31 x 43cm N.W.: 10kg G.W.: 12kg