Mountable rod diameter (mm): Rubber Ring (small) Phi 8-10mm, Rubber Ring (large) Phi 10-14mm Quantity: 1 hook holder 1 rubber Ring for rod mounting 1 large and small each, / New Lure Hook holder Color development (clear red, clear blue, clear orange) It is easy on the rod and does not easily shift. Rubberized specifications. Fully compatible with bass fishing! It is possible to fix the gave part while the worm is stuck in the offset worm hook. 2 sizes of mounting rubber included Mounting width: Rubber Ring (small) -Phi 8-10mm (Large) -Phi 10-14mm