10 Pieces of P50 Dia. 0.68mm Length 16mm 75g Spring Test Probe Pogo Pin (Tip:J1) L:16.55mm,Min Centre : .68mm,Full Stroke : 2.65mm Current Rating : 3A,Current Resistance : 50m Plunger : Heat Treated Beryllium Copper Barrel: Phosphor Bronze . Gold Plated Spring : Music Wire . Gold Plated