Strong yet lightweight press is constructed of a cast aluminum alloy frame and weighs only 15 oz. The ergonomic design means less effort is needed to produce a secure seal. Steel-reinforced wear points ensure years of trouble-free use. Dies are easy to change with the 1/8" Allen wrench (included). Material(s): Aluminum Alloy; Compliance, Standards: N/A; Pre-Consumer Recycled Content Percent: 0 %; Post-Consumer Recycled Content Percent: 0 %.