Detailed Pivot Pins with drop handle (replaces pins supplied with couplers). 8 per pack. Enough for 8 wagons, i.e. one pin per coupler pair.
The accompanying image shows a pin fitted to a square metal coupler.
CCJC - Jones-Calthrop Couplers 4 Pairs
CCRN - Round Couplers 4 Pairs
FCSQ - Combined Square Coupler/Flexible Fitting 4 Pairs
FCRN - Combined Round Coupler/Flexible Fitting 4 Pairs