The Hoofjack® Dental Attachment - Articulated, consists of an articulated cradle, 2' post, and 2' coupler. Cradle articulates from 0 degrees to 11 degrees and 22 degrees to accommodate precise positioning of horses head during procedures. When used in a standard base the attachment will adjust from 3'2" to 5'6". When used in a medium base the attachment adjusts from 2'9" to 5'3". Base not included. Some Assembly required.