!!!! bits MUST be greased EVERY TIME before inserting !!!
To insert bit --- insert, pull up sprung bolt head, rotate 180 degrees, then release.
Handle needs to be fastened prior to use.
FULL BORE demolition hammer model no. FBT-1200. Manual at https://www.manualslib.com/manual/1295012/Full-Boar-Fbt-1200.html