Our lightweight portable triangular fingerboards are now UPGRADED with an extra edge and come with spacers to reduce the depth. The climbing hangboard can be used in the field to warm up or as machine accessories or attached to free weights like kettle bells or resistance bands for a variety of strength training and to recover from injuries.With four edges, increase difficulty over time as you get stronger. 27mm, 22mm, 15mm and 12mm edges with 4mm diametre rounded corners. The medium sized radius minimises pain while hanging because the pressure is spread throughout the whole grip instead of at the end of the edge.We include 2 x 1mm spacers and 2 x 2mm spacers for incrementally decrease the depth to get the perfect edge you need.If you are interested in a slightly larger portable hangboard with more edges 10-35mm including 3 pinches, checkout our MegaEdge - https://musclemountainstore.etsy.com/listing/1656105423They is only 3.2cm thick and 15cm high so easy to travel with as it slips into most bags with ease, or can be easily attached to the outside.Cross Grain Birch Plywood for superior strength and rigidity as well as excellent finger grip that isn't abrasive. There is always the option of sanding the corners down with some rough coarse sand paper to get the perfect edge you desire custom designing it yourself for your perfect edge.Contents:1-2 x fingerboards1-2 x 1 metre 7mm ropeWeight: 125 grams each*******Climbing & Calisthenics Strength Training Gear.Check out our MegaEdge: https://musclemountainstore.etsy.com/listing/1656105423