World Class Pin, Tensile - Universal Weight Stack Replacement SELECTOR KEY - 3/8 Diameter | Various Grip/Locking Space- by SBD (Designer Round Black Knob, 3/8" x 4-1/4" Locking Space)

SB Distribution Ltd Pin, Tensile - 3/8 Diameter 4-1/4 Locking Space || Universal Weight Stack Replacement SELECTOR KEY - Black Round New KNOB || DETENT Hitch PINS || by SBD

Aeloa Magnetic Pin, Tensile | 5/16" Dia Shaft - 4.25" Locking Space 4-1/4" | Universal Weight Stack Pin for Fitness

Watris Veiyi Weight Stack Pin, Magnetic Weight Pin, Automatic Drop Set Pins Gym, Weight Machine Pin with Pull Rope, Strength Training Equipment Replacement Weight Pins for Weight Stack Machine