I think this set represent great value for money, even in original price. You can save a lot of money if You need to clean, adjust, upgrade or fix PC/laptop, iPhone/smartphone/tablet, game console, small appliances, watches, glasses and more. Just check on YT how to do this and equip in adequate tools.
This sets has great variety of bits, which are magnetic and made from S2 steel (hardness better than other tools). Great reviews confirm their quality.amazon.co.uk/gp/offer-listing/B07T1PCFNT/ref=dp_olp_new_mbc?ie=UTF8&condition=ne
£19.99 and free delivery if You buy straight from the Ariko-Direct (UK)
From £29.50 on ebay.