Dremel GG01 Lot 12 universal glue sticks 7mm 165 ° C (Tools & Accessories)
but also on Amazon ... I rediscovered an old glue gun in a holiday home, I returned to service and ... that it's great! all I had trouble repairing otherwise (Cyanoacrylate, neoprene) is repaired in 2 times 3 movement with that one! broken or missing