SEAL KIT - MEASURING & 3/4" SAW CYLINDER NEW STYLE (SK320702) Waratah Part #WA109032 Fits Waratah Models HTH616, HTH616C, HTH622B, HTH622C, HTH623C, HTH624, HTH624C Fits Current Style Measuring & 3/4" Saw Cylinders that use an Allen Head Bolt to retain the Piston. Fits: 616 Measuring Cylinder (Serial#218+) Fits: 616C Measuring Cylinder Fits: 622B Measuring Cylinder (Serial# 368+) Fits: 622C Measuring Cylinder Fits: 623C Measuring & 3/4" Saw Cylinders Fits: 624 Measuring & 3/4" Saw Cylinders (Serial# 358+) Fits: 624C Measuring & 3/4" Saw Cylinders Fits: 625 Measuring & 3/4" Saw Cylinders Fits: 626 Measuring & 3/4" Saw Cylinders (Serial# 135+)