Spud Black Strap Loading Pin for Olympic Weight Plates. for Weight Lifting, Crossfit and Powerlifting Exercises. Spud, Inc Heavy Duty strap loading pin. Heavy duty rings on both ends. Strap measures either 12" or 18" end to end. You can fit about six 45lb plates on the 12" strap if your plates measure 1.5" thick You can fit about ten 45lb plates on the 18"strap if your plates measure 1.5" thick