Check the listing for details. Sluice Box 50 inch long Self-Locking Folding "THE ORIGINAL WITH PATENT". Condition: New. Listed at 195.00 USD. Self locking backpacking stream Sluice Box that will unfold from 15" to 50"- 9" wide for easy transportation and storage. Picture #3 Shows black ribbed rubber mat that captures gold for quick ID of findings. Picture #4 Shows gold zinc plated 18ga CRS Riffles for durability, expanded metal creates crevices to capture gold. Picture #5 Sluice box fits in your classifying bucket too! Picture #6 As seen in the Gold Prospectors Assoc. of America Sept./ Oct. issue 2006. "All in all, it is a nice addition to my gold mining equipment."Picture #7 58 minute DVD instructions on how and were to find GOLD!!, set up for proper angel, water flow, clean out, adapting Sluice box into Highbanker/Recirculator. Professionaly filmed and edited. Now free with purchase.Picture #8 Sluice Box in action getting some GOLD!Protected by US patent No.: 8,322,536. Beware of imitators out on the market, some are made with thinner materials and with no locking devices. While others utilize a thumb screw which slips.With over 15 thousand sold Nationwide! Royal is the home of the original Self-Locking Sluice box!! Supplied with Easy, how to use instructions. Specifications: Width 9" x 50" long Weighs 7.3 Lbs. Nylon Carrying Strap Constructed of 0.063 aluminum *Also available, break down stand that includes four independent legs and 12-volt power pump header kit to turn this sluice box into a recirculator/high banker combo. • Our business hours of operation, Monday - Friday 7:00 AM - 3:30 PM Pacific Standard Time.