i don't think there will be replacements of these but these would probably be just as handy, https://www.ebay.co.uk/itm/362987509716?hash=item5483bdd7d4:g:gFAAAOSwL0tiUNB2&amdata=enc%3AAQAIAAAA4KpZgEg0uLK7N2p57Oe1X%2BeWURyOnO4VI10ZOm064PE4xkSeOZlUZniSQe4Ujpl8WCk9D8OgnmuK0NlHXoFDwfz%2FtzpyGfQzXMIzQ7%2F3RviseguHo2739x3lq0gYHjh0GOZOnEzx%2B9z2tDdTnBNqWhnU4Ksg04d5ZrgnZM49g2PJ%2Bjm4MgfLWBxhklfFTrPDMCE53imEV1jSmGtb%2BB9pJhtNRI%2FM5xX%2FRWePPJMCn4OGPY%2BoQFaPfdcii287cU9mVlbfZBK5BItgJpOguZk5UQRIFiTcp3VVkxkv3%2BVJ%2BnaE%7Ctkp%3ABFBMuIrMqY5j