Diameter: 4" Depth: 1", plus 1/8" projection of steel core on each side. Hole Diameter: 0.48", designed for 3/8" dia. mounting bolt. Nominal Weight: 3.2 lbs
Part Number Variations: H2B4, H2B4-3/8, H2B4-BL, ZEP-4, ZEP4, ZEP-4B, ZEP4B, CZA-4, CMH2B4GZ, CMH2B4375GZ