Indoor Throwing Circle and PlatformIndoor Throwing Circle with platform and toeboard Overall dimension of 8 x 8 x 2 Constructed of two layers of 3 4 plywood One layer of 1 2 track surface for stability Two 4 x 8 interlocking sections Spring loaded handles for ease of handling and storage Gray marine paint with a textured inner ring finish Removeable toeboard Designed for indoor shot put and weight throw