Spring - 240 lbs. Extension With Clips (Blue Tip) Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: 17034 SKU: 17034Item weight: 7.7 Standard Package: 10Sale Units: Each Description Stronger spring helps close vent doors tight 240 lb. pull Length (Relaxed): 25" Working Length: 42" Diameter: 2 1/8" End clips for more secure oper... Description Back DescriptionStronger spring helps close vent doors tight240 lb. pullLength (Relaxed): 25"Working Length: 42"Diameter: 2 1/8"End clips for more secure operation