2017 Transformers - Battle Masters - Grimlock The Prehistoric Powerhouse Battling Figure - Brand New Factory Sealed Shop Stock Room Find. Released By Hasbro in 2017 as part of their series of Transformers Battle Master Figures. This fantastic Transformer Battle Masters Action Figure features Grimlock The Prehistoric Powerhouse, who stands 11cms tall, he has his sword on his left hand and his fist on his right and is operated by two buttons in his feet. Your Grimlock figure is ready to go head-to-head with any enemy, weapon in hand! Known as “The Prehistoric Powerhouse,” this Transformers warrior will pound his enemies into scrap with his mighty strikes. Grab your controller for a mighty dose of Transformers mayhem! Will your Grimlock figure get the knockout? There’s only one way to find out!. Brand New Factory Sealed Shop Stock Room Find. Discovered in the store room of a closed down shop with a whole host of other Star Wars items from a similar era. All Orders Received before 4.00pm Mondays to Fridays are dispatched the same day.