Has a 110° sweep and is self parking. The on/off switch is located on the black housing. The threaded wiper shaft is 5/16" in diameter and 3-1/8" long with the ability to be shortened to 2-1/2". Mounting holes are pre-packed with rubber bushings and are 1-3/4" from center of wiper arm on each side. It works with our wiper arms ACC011, ACC080, ACC085, ACC094, ACC095.