Originally Posted by OLDYELLR

Do you have a freewheel tool or a cassette tool? The splines are the same, but a freewheel tool has a hole for the end of the axle, so it can be held in place with nuts or the QR. You can use the FW tool for a cassette lockring, but not necessarily vice-versa. Lockrings are torqued to 30 lb-ft and are easily removed, but freewheels tighten while riding and need a bench vise like Looigi indicated.