IMER Internal Adjustable Scaffold Prop 3.3m Max LengthIMER Internal Adjustable Scaffold Prop 3. 3m in Length The IMER Internal Adjustable Prop is from a height of 2. 45m to a maximum height of 3. 3m, and for use when using the hoists indoors or where there are not external scaffolding structures. Make sure that it is possible for the floor to be able to take the load of the hoist when using the internal adjustable prop. Specification SKU Weight Length Width Height Capacity Capacity (with Extendable