A spomb is used to throw out mash and particles in a specific place far out into the lake. Fill it with the food you want to throw at the mash site and close it. Then you cast it out to the spot you want to end up and when that spomb hits the surface it opens and the mash falls down exactly where you want to fish. -Length 170 mm -Diameter 60mm -Disperses the bait immediately as soon as it hits the water. -When closed, no bait is lost during the cast -You can use most baits: boilies, seeds, pellets, bait balls, etc. -Aerodynamic shape that casts with precision whatever the weather. -Easily reeled in once opened, glides quickly and smoothly on the surface.