This holster is made from 8-10 0z. Wickett & Craig saddle skirting. The California Slim Jim holster is an old design from the gold rush period in California. It is a slim, close fitting and lightweight holster that is comfortable to carry. This holster will provide excellent protection for your handgun. It is tooled in a double border stamp pattern. This holster will fit black powder single action revolvers such as 1851 Navy.