This set includes 8 screw on crimps carved from Baltic Birch Plywood. The layers in the ply adds some nice texture to the hold surface while adding a sweet aesthetic. These crimps are varying degrees of incut, and range in thickness from 13-18mm.  Despite the aggressive incut, they are quite comfortable. You'll find them challenging but useable in the 45°-50° range, and they would make nice V4-5ish boulders down around 35°. Shipping in the lower 48 included. Outside of that area, including international, please contact me for a shipping quote before purchasing.