Stock Number JT9-441325 Bar Hole Size (In.) 13/16 Base Diameter (In.) 7-5/16 Base Size (In.) 11-9/32 x 9-7/16 Head Diameter (In.) 4-3/8 Height Closed (In.) 16-5/8 Height Extended (In.) 25-1/4 Load Capacity (Tons) 25 Model Number SJ-25T Prop 65 Cancer and Reproductive Harm Screw Size (OD x L) 2-1/2 x 12 Weight (Lbs.) 40