Compatible with these TR Industrial Demolition Hammers accepting TR-One shank: TR-100 Series (TR89100, TR89105) and TR-300 Series (TR89300, TR89305, TR89307). This bit does not fit Makita, Milwaukee, Bosch, Dewalt or Hitachi hammers Tamp and compact loose granular soils, gravel and sand Turn our TR Industrial Demolition Hammers into a compactor with this Tamper Shank and Plate attachment Made with high-grade forged and heat treated steel for maximum durability Plate size: 6 x 6 in Use the TR Industrial Tamper Shank and Plate to turn your TR Industrial Demolition Jack Hammer into a compactor to tamp and compact loose granular soils, gravel and sand. It is made with high-grade forged and heat treated steel for maximum durability. Compatible with these TR Industrial Demolition Hammers accepting TR-One shank: TR-100 Series (TR89100, TR89105) and TR-300 Series (TR89300, TR89305, TR89307).