Diamond eye W/snap Sz10 12pk;free spinning performance, unique diamond eye helps prevent knot slippage. Keeps line in-line for maximum rotation. 1 piece wire snap with J-hook 'N' lock.; swivels/rings/snaps ;Mustad;size: 10 12 pack ;there's nothing like the fishing sport to calm your frazzled nerves or relax on a nice spring day.