Nuts, bolts, and rivets are the only steel parts it them. I expect the weight to be down considerably when I have an accurate weight I will post it. The Pro Sluice The pro sluice is designed for people who want to get serious about prospecting.The next lot should be ready for sale around the second week of August 2015. I have made some major changes to these sluices: they are now totally constructed of aluminium to make them as light as possible and still retain structural integrity.This sluice has proven to be very good at retaining gold with little loss. It weighs 10.7 kg. Price: 535.00 shipping free to eastern states (does not include remote areas). The Pro Sluice The Backpacker Sluice.Light weight and portable and same design as the Pro Sluice, it is perfect for hikers and travellers that have limited storage space. This sluice weighs only 5.7 kg and folds down to half its size, which is perfect for storing in any caravan or.Also be used in the field (provided you put the material through a 1/8th sieve first). Comes complete with pump and hose. Price: 180.00 shipping free to eastern states (does not include remote areas). The Baby Sluice.Price: 425.00 shipping free to eastern states (does not include remote areas). The Backpacker Sluice The Baby Sluice Get every last bit of gold out of your hard work! Compact and lightweight, this is the next step for those with the Pro Sluice and reduces panning concentrates.