Handstand blocks Contortion, Acro, Calisthenics, Hand balancing, Yoga, Crossfit, Gymnastics Gym, Circus arts. These blocks are very versatile and have a wide range of uses, excellent for improving your handstand technique, and they also can be used as a yoga blocks. Using Handstand Blocks will relieve stress from wrists and strengthen your grip. 13 x 9.4 x 4 cm . Pine. Sold as a pair. Made to order within 5 working days.