6-1/4" Compression Set Straddle Packer.Uses the same 10" long elements as our 6-1/4" Hook Wall PackerCompression SettingSlots allow for pipe manipulation below the packer6-1/4" Straddle PackerThread Connections4-1/2" 8RD LTC Tool ID3.826" Tool OD5.875" Element Length10" Element Material70A SBR