This listing is for one replacement tail wheel fork with 1-1/2" post measuring 6-1/2" long (5-3/4" to mounting hole), forged fork legs with 1" axle bolt holes. Fork Width is 5-3/8", accepts standard 4x8 15" diameter tail wheels. OEM World Agritech Corp "The international Line" replacement part. Fits "IM" series rotary mowers from Im382 - IM702