Allstar ALL18321 1/4" I.D Aluminum Clamp-On Style Universal Line Clamp, (Pack of 4) Universal line clamps are a clamp-on style with a 1/4 inch i.d It has 2-piece quality aluminum clamps dresses up wiring or hard fluid lines Other sizes are available and are sold separately Sold in one set of 4 pieces It has a 90 day limited warranty