Progress Efficiently! To make progress with your weightlifting technique and master a jerk without having to clean the weight to the front rack position with each rep. With these jerk blocks, you can focus on your jerk by performing multiple reps from the same height without dropping the bar on the floor and starting from the ground. Also, they allow you to start your lift from a higher position and emphasize the second or third pull, and eventually transfer into a full clean or snatch. With an ease of use, the blocks unlock other lifting potentials such as block pulls, clean/snatch from blocks, partial deadlifts, floor presses, step ups, and box jumps. BullrocK Weightlifting Jerk Block comes in 4 different sizes 15”, 12”, 6”, and 2.25 and are crafted with precisely cut chamfered insets making them strategically aligned for secure stacking. Constructed from 18mm thick Russian Birch Plywood, the interior features solid rectangular brace structure panels for the stability and durability of each block. A raised lip prevents the weights from rolling off the block – is strategically placed at the top of each block to fit the bottom of the next block. The plywood is sanded and smoothed to provide safety and gives a burly rustic look to the blocks. Additionally, application of a Polyurethane clear coat over the surface of the ply enhances the visual appeal and life of the blocks. The side faces are marked with vertical height for easy understanding. It is delivered to you as fully assembled with precision along with inbuilt handles for convenient portability.