This suspension hardware washer is sold as a 4-pack, with all four units covered in the price, and fits Mack applications. Each washer measures 12.001 in. in width, length, and height, seating under a bolt head or nut to spread clamping load evenly and guard the mating surface during tightening. It is built as part of its suspension hardware line.Interchanges:Mack 35AX1503This unit is sold in packs of 4.FeaturesSold as a 4-pack, price covers all 4 washersDimensions: 12.001″ x 12.001″ x 12.001″Suspension hardware lineTech SpecsDimensions (H x W x L): 12.001″ x 12.001″ x 12.001″