New Pea Pod Full PC Plastic Knuckles Self DefenseFull PVC Plastic Made, very solid , but very light, only 30g 14mm Ultra Thick, grip feeling is very comfortable The thickness can guarantee your finger's safety Fit for 4 fingers The surface are polished carefully, very smooth CNC processing , all edges are polished very carefully Keychain hole reserving The end has a bulge, can be also used as an attack head Great Plastic Knuckles Self Defense Size: 102mm x 48mm x 14mm Hole Diameter: 22. 8mm