Bosch Professional 15-Piece Reciprocating Saw Blade Wood and Metal Set in a Toughbox £14.59 @ Amazon

Lowest price ever according to Keepa

‎5 x Basic for Metal S 918A F recip saw blades / 5 x Basic for Metal S 5 BF recip saw blades / 5 x Basic for Wood S 617 K recip saw blades / 1 x Tough Box

These are not just for Bosch - should fit majority of brands but best check before buying

• The 15-piece recip saw blade set from Bosch Professional in a robust Tough Box for practical storage
• Easy transport and safe storage of the accessories thanks to the compact and strong hard-shell box
• With a blade length of 150 mm, the Basic for Metal S 918 AF and S 918 BF recip saw blades are suitable for optimum cutting of metal e.g. of pipes or profiles
• The Basic for Wood S 617 K recip saw blades enable curved and plunge cuts to be made in wood, e.g. for cutting firewood
• Scope of delivery: 5 x Basic for Metal S 918 AF recip saw blades, 5 x Basic for Metal S 918 BF recip saw blades, 5 x Basic for Wood S 617 K recip saw blades, Tough Box