Sea-Dog Stainless Impeller Puller - Small. Impeller Puller allows easier removal of flexible impellers from pumps. Tighten the side grips onto the impeller hub and turn the center screw shaft to pull the impeller out of the pump. Constructed of investment cast 316 stainless steel. 660020 for impellers 3-1/16" to 5" in diameter. 660040 for impellers 2-1/4" to 2-9/16" in diameter. Features of Sea-Dog Stainless Impeller Puller Investment Cast 316 Stainless Steel Dimensions: 3-3/4" x 5-3/16" x 7/16" Strong Durable Materials Use anti-seize on all threads to prevent galling Package Contents: Sea-Dog Stainless Impeller Puller Sea-Dog 660040-1: Stainless Impeller Puller - Small