Vintage toy chain. Ladder chain is 3/8" (4 links per inch)

Vintage toy Doepke Jaguar & MG Tire

Vintage Toy Ladder Chain (4 links per inch 7/32") Sold by 1ft lengths

Vintage Toy ladder chain : Under 1/4" or .230 wide with 6 links per inch.

Vintage toy narrow Ladder Racket Chain : 1/8" x 9 links per inch