The spec-plus Alpha Series is a new line that features a modern take on some of okc's all-time best selling products. The sp-a survival is an update to our top selling SP2 survival knife and the sp-a machete is an update to our immensely popular SP8 survival machete. The Alpha versions feature a full Skeleton tang, ergonomic molded handle, and a durable phosphate coating. All models of the spec-plus Alpha Series are proudly made in the USA.