ITEM NAME:100x P50-B1 Dia 0.68mm Length 16mm 75g Spring Pressure Test Probe Pogo Pin ~(.Spring Pressure: 75g. P50-B1 - 16mm. 1 x 100 pcs P50-B1 Spring Test Probe. Min test distance: 1.27mm. Spring: stainless steel. Pin Centre: 0.68mm. Plunger: Heat Treated Beryllium Copper. Current Resistance: 50mm.