Yale 40mm Open Shackle and Closed Shackle Brass Padlock Twin Pack The Yale 40mm Open Shackle and Closed Shackle Brass Padlock Twin Pack is ideal for everyday use with one key to open both locks. Supplied with 3 keys each fits both locks. In Sealed Pack FREE P&P Please See my other ads by clicking the link in the contact box stating "See seller's other adverts " to see all bargain items for. .