Norbert's Mounting Block provides a lightweight, economical 
and easier-to-use alternative for practicing mounts. (NOTE: Not to be used as a springboard!) Filler foam consists of 1" high-rebound polyurethane sandwiched between two crosslink sections. Cover is made of our ultra-durable 18oz vinyl-coated polyester. Handles on sides make this 24" x 48" x 9" block easy to move and position.