DEWALT TOUGHSERIES 1/2-In.-Drive 144T Quick-Release Ratchet, DWMT45021

4x longer life - take on tough jobs and harsh environments with ratchets that deliver 4X longer life when compared to DWMT81096, DWMT81097, and DWMT81098 2.5 arc swing - access tough spots with a 144-tooth dual pawl mechanism that delivers a 2.5 arc swing Professional-grade durability - work in challenging conditions with a chrome vanadium steel construction that provides strength and durability and a full-polish chrome finish that helps provide corrosion resistance 1-handed operation - designed with a quick-release mechanism to enable convenient 1-handed operation Meets or exceeds ANSI/ASME standards Full lifetime warranty - if any DEWALT mechanics tool ever fails for any reason, DEWALT will replace it