Turbosawmill Parts/Upgrades › 2M MANUAL BEAM EXTENSION Image 1 of 1 2M MANUAL BEAM EXTENSION $1,200.00 sold out 2m manual mill beam extension with:Inserts.Bolts.Tube.Shim.No Chains. Your mill should already have enough length. Sold Out Added! 2m manual mill beam extension with:Inserts.Bolts.Tube.Shim.No Chains. Your mill should already have enough length.