●FITMENT: Replacement front seal kit for pivot / front mount cylinders. ●COMPATIBLITY: Fits Parts: for HC5340, HC5341, HC5342, HC5343, HC5344, HC5345, HC5346, HC5347, HC5348, HC5358, HC5365, HC5375, HC5394, HC5445, HC6750, HC6751, HC6752, HC6753, HC6754, HC6755 Cylinders. ●HS5157 KIT CONTAINS: 2pcs Seal Glands; 1pc Pin Wrench; 1pc Seal Gland Assembly Guide Tool; 8pcs Various O-rings for the different cylinders. ●SUPERIOR MATERIAL: Crafted from High Quality Aluminum Construction with great durability which ensures reliable long-term service. ●100% SATISFACTION GUARANTEE: Yoursme aims to provide the best service for our customer, if youre not 100% satisfied with our item, simply return it for a full refund in 30 days, no questions asked money back guarantee with 12 months’ warranty.