Flange Wedge, 2 in W x 7 in L ORS NASCO The smooth marking chalk is

The smooth marking chalk is ideal for bright temporary marks|Coated for clean handling|||

Larger surface area means more air flows in and out of the mask -- without a valve|Durable Dura-Mesh® shell prevents collapsing from heat and humidity|FlexFit® design fits the contours of the face and mouth for comfortable extended-wear|Soft foam nose cushion and pinch-free nose bridge|

Vortec Pro and High Density Flap Discs

and large knurled feed screw knob give easy control of cutting pressure for clean cuts|Models 117 and 118 include a self-feeding AUTOFEED® cutter wheel that automatically cuts after tightening the knob only once|Model 118 features a special knob for easier tightening of the feed screw

Flange Wedge, 2 in W x 7 in L ORS NASCO The smooth marking chalk isNon Sparking Non Magnetic Corrosion resistant Made in the USA Beryllium free