Deluxe Shoulder Saver Harness, Material Fabric. For use with backpack sprayers. Includes chest strap, lumbar support & waist belt. Clips or pins to secure straps at top of tank NOT included. For sprayers made AFTER 2013 you will need two of part# 4074425 (pin). Sprayers made BEFORE 2013 you will need two of part# 4074412 (clip). Does NOT fit the 5-gallon backpack sprayers: models 435 and 485.