The POLYBALL's - an ideal addition to your training board Add the POLYBALL's to your POLYBOARD and head to the next level. Whether climbing or bouldering, this increases your grip and becomes a ninja warrior. On the ring eyelets available from us you can quickly attach and detach the ball with the carabiner and cord included in the set. The discreetly lasered Polytalon logo harmonizes with the Polyboard logo and gives the ball a noble look. Scope of delivery per set: 2 x Wooden ball (Ø 80 mm beech wood - gentle on the skin - sustainable – made in Germany) 2 x Carabiner (8 x 80 mm stainless steel) 2 x Cord   Stay fit - build up - solve problems