1 set of Heavy Duty crankpins. Qty enough for a 6 coupled loco with inside or outside valve gear. Superior in both fixing and bearing surface, these replacements for most wheels including Slaters. Contains 6 crankpins 4 short and 2 long, 6 screws for fixing and 6 Nickel Silver caps, designed for soldering on the return crank, but 2 long crankpins can be shortened for an inside cylinder loco. If out of stock please e-mail me and I will let you know when they are in stock again. Instructions are now available on our website,( on the Links page ) if you need a printed copy just tell me in the comments at the end of your order.