The Sharpes of Aberdeen screw-in wader studs and made of steel and coated with zinc for durability. Easy fit to you boots with a the self-tapping thread. A small socket set/socket screwdriver is ideal to fit them.
Wader Boot Studs,Screw-In Wader Studs 26 Pack Fishing Wading Zinc-Plated Studs
Torridon Tungsten Tipped Wader Studs - 40 studs + adapter only £9.99
Torridon Zinc Plated Case Hardened Steel Wader Studs - 30 studs only £5.99
Snowbee Screw-In Wader Studs - Mixture of x37 New & Used Studs