Extremely easy to use! The last inoculation tool you will ever need to buy. The stainless steel Okuda Inoculation Stick precisely and effortlessly inoculates your bed logs. Seal spawn-filled inoculation sites with hot wax using daubers or the Okuda Wax Applicator (sold separately). Tool measures just 5 3/4" long and 7/8" in diameter, with a nice, solid feel. Also includes a tool repair kit, with spring, set screw, and hex key. Available in 12-12.5mm and 13.5mm - please select desired option below.