pin, tensile - magnetic universal weight stack replacement selector key - 3/8" dia | 4" to 4 1/2" locking space | detent hitch pins - red anodized al. knob w/ reinforced steel wire laynard sb distribution ltd pin, tensile - magnetic universal weight stack replacement selector key - 3/8" dia | 4 1/4" locking space | detent hitch pins - red anodized aluminum knob w/ reinforced steel wire laynard