Wireless Audio: Not built-in

so a Roosevelt dime reads 73-75 in red clay

In red clay or volcanic black sand

Consistent response to sub-gram targets

12" Highbanker Hopper for Sluice Box | Gold Mining Equipment external-battery Wireless Audio: Not built-in12" Highbanker Hopper Conversion Kits Upgrade Your Sluice Box to a HIGHBANKER! Transform Your Sluice into a Mini Highbanker! Unlock the power of highbanking without the complete investment! Our 12" Highbanker Hopper Kit provides everything you need to effortlessly transform your favorite 12" Dream Mat sluice box into a versatile Mini Highbanker. If you already own one of our 12" sluices, a compatible leg kit, or even one of our complete 12" cleanup