Reaming Shell, set with natural or syhthetic diamond or hard alloy, connect with bit and core barrel, in order to enlarge the hole, maintain hole diameter and stabilize the bit.
>>Selection of diversify length such as 6",10" or 18"
>>Double or thiple pads appropriate for broken and abrasive rock formation
>>Working life for reamer is much longer than, bit it is necessary to check reamer out diamter while bit change.

Wireline series:  AWL,BWL,NWL,HWL,PWL  (Front-end,Back-end)

T series : T36,T46,T56,T66,T76,T86

WF series: HWF,PWF,SWF,UWF,ZWF

WT series: RWT,EWT,AWT,BWT,NWT,HWT  (Single Tube/Double Tube)

WG series: EWG,AWG,BWG,NWG,HWG   (Single Tube/Double Tube)

WM series: EWM,AWM,BWM,NWM

T2/T series: T256,T266,T276,T286,T2101/T676,T686,T6101,T6116,T6131,T6146,T6H

Others: NMLC,HMLC,LTK48,LTK60,TBW,TNW,ATW,BTW,NTW,AQTK，NXD3,NXC,T6H,SK6L146,TT46,TB56,TS116,CHD101