The product description specifies a chisel tip shape (meißelform) with a tip diameter of 0

Den passer godt ind

Her er det især relevant

and metals (stated)

Design: Manual operation with non-slip cross knurling and ball retention groove

Dual Comfort Plus Indlægssål str. 38; Extra High Arch MIL6131101401 The product description specifies a. Dual Comfort Plus insoles are constructed of a pleasant surface material, a breathable and quickly drying mid layer as well as a shock absorbent EVA bottom layer. The PORON shock absorption cushions at the heel and ball of foot reduce external shocks. The insole also benefits from a SieviBalance arch for added rotational rigidity. Antistatic and ESD approved. Hand wash.