10PC Handle Screw Nuts Knife Handle Steel Rivets Knife Pins Bolts Rivet Fastener

Size 3 suit for 4mm hole: Brass connecting rod. Material : 416J steel. Size 1 suit for 4mm hole: Stainless steel connecting rod. Size 2 suit for 4mm hole: Stainless steel connecting rod. Size 4 suit for 4mm hole: Stainless steel connecting rod.

eBay