Humbee Tools, SB2-24168M Two Stage Gas Snow Thrower with Manual Start Engine, 24The HUMBEE Tools SB2-24168M snow thrower is the Humbee lines newest addition to our home & garden series. The SB2-24168M is a manual start, two stage Snow Thrower, with a throwing distance of 10-15 meters/30-50′ With a chute rotation of 190°. The.