The Wrinkle Lock is used in conjunction with the WreckMaster Wrinkle, the locksecures the Wrinkle to the trailer pin in a manner similar to that of the 5thwheel on a tractor. Properly installed, the Wrinkle Lock makes it virtuallyimpossible for a disconnect to occur from the trailer pin when a towingprocedure is used. The Wrinkle and Wrinkle Lock are equally secure and worksextremely well when a horizontal or vertical trailer recovery procedure isused. Wrinkle not included. Used in conjunction with the WreckMaster Wrinkle Secures the Wrinkle to the trailer pin in a manner similar to that of the 5th wheel on a tractor Properly installed, the Wrinkle Lock makes it virtually impossible for a disconnect to occur from the trailer pin when a towing procedure is used The Wrinkle and Wrinkle Lock are equally secure and works extremely well when a horizontal or vertical trailer recovery procedure is used Wrinkle not included Product Dimensions: 7″L x 4″H x 1.55″H
