These crimpable end caps have 4x2mm holes large enough to accommodate large stringing materials like round cords, suede lace, and ribbons. To hold materials in place use a hammer and block, tapping gently until hold is achieved, or try nylon jawed flat nose or parallel pliers! (Glue also works.) 

Width (mm): 7 mm

Height (mm): 10.6 mm

Loop Inner Diameter (mm): 2 mm

Hole Diameter (mm): 2.1X4.2 mm

Materials and Finish: Cadmium & Lead free Pewter, Antiqued Copper Plate

Country of Origin: USA