just discovered that its for knocking out bolts on an ore screening bed in iron ore mining
yep, rangie is a 77 2 door - 351windsor and C4 conversion, 2" lift. runs on petrol and LPG, LPG makes it economical, running on petrol is scarey to the wallet
nope, apparently used for removing bolts from a screening bed on an iron ore sifter. the bloke who was asking has found more of them all over the site and was eventually told what they were by maint crew