DST (ABC) blade holder
DST blade holders have a biggest market share in oversea and domestic. - details see: https://www.buildingsupplieshub.com/dst-abc-blade-holder-10007785
Type: Cup & Tumbler Holders | Place of Origin: Jiangsu China (Mainland) | Material: stainess steel |

The air nip of blade is adjusted by the adjustment of the pressure of air in and out of the tube.
The scope of blade's thickness is wide and it is convenient to change the blades.
Three major factors: blade angle,air nip and material are brought into full play.