Comparison : Item # MC 05-0454, Bergquist Sil-Pad Rubber
Item # MC 12-0520, Blue Fluorosilicone Rubber
Item # MC 12-0728, Blue Silicone Rubber
Item # MC 12-0612, Carbon Filled Silicone Rubber
Item # MC 12-0618, Cohrlastics 400 with Silicone PSA