SBD's 3/8" Dia, 3-1/4" Locikng Space w/ Yellow 1-7/16" Jumbo Round Knob  Universal Weight Stack SELECTOR Key Diameter Detent Hitch Locking Space

• Pin, Tensile 3/8" Dia, 3-1/4" Locikng Space w/ YELLOW 1-7/16" Jumbo Round Knob- Universal Weight Stack SELECTOR KEY - 3/8" Diameter DETENT Hitch Locking
• ** Please make sure you are ordering the correct length pin for your weight stack. When measure, pin should go through stack, selector stem and well into the other half of the plate. The pin should cover up to at least 75% of the stack depth. Magnetic pin lock space measure true to length. The Diameter of the Shaft is 3/8"