the stanley® fatmax® v20 18v cordless ratchet (tool only) features new and improved battery technology featuring no memory effect and minimal self-discharge.the ratchet delivers speeds of up to 300 rpm and torque of 47 nm ideal for tightening and loosening bolts and nuts.the compact head and slim elongated design ensure easy access to fasteners even in very confined and tight spaces.the fiberglass-filled nylon housing provides greater resistance to oils and chemicals and the 3/8 anvil with a locking ring ensures secure socket retention. variable speed and forward/reverse rotation provide maximum control regardless of the application while the integrated led work light provides improved visibility in all working conditions.part of the stanley® fatmax® v20 18v cordless system - power all your v20 tools with a single new and improved 18v lithium-ion battery that will easily handle any task.improved battery technology:no memory effect minimal self-discharge - the v20 lithium-ion battery is ready to go whenever you want wherever you need to get the job done and also ensures longer tool life.freeze of cordless tools:no cords no tangled cables - complete freedom of movement regardless of the slim compact design:guarantee easy access to fasteners in tight confined spaces.high-powered motor:provides speeds up to 300 rpm and 47 nm of torque.nylon housing with fiberglass filled:guarantee greater resistance to oils and chemicals.3/8” anvil with locking ring:enables safe and secure socket mounting.variable speed:for maximum control regardless of the application.function forward / reverse rotationcompact head design:better access to tight spaces.built-in led:for the best possible visibility regardless of working conditions.application:for tightening and loosening bolts and nuts in tight spaces.**