These portable, take-anywhere training blocks can be used as pairs for suspension training or individually for ground pulls, weight hangs, or an ultralight, ultra-compact travel and warming up at the crag option. Specs & Details Edges Depth: 10 mm, 15 mm, 20 mm, 25 mm edges. 40 mm finger jug and 40 mm full hand jug Dimensions: 5.3" x 3.15" x 1.6" (135 mm x 80 mm x 40 mm) Super light and compact Body weight only Weight: single block 7.7 oz (220 g) Forest Stewardship Council (FSC) certified