Stanley microtough ratchet handle stanley 4 85 578 the microtough ratchet handle has a head profile that is 25 smaller than the standard ratchet handle for better access when working in tight areasit has a bi material grip and a 72 tooth ratchet which gives a 5 degree angle of engagement enabling working to be carried out in restricted areas12 in square drive stanley 4 85 578 microtough ratchet handle 12in drive