3M™ 07010, Supplied Air Respirator Hose W-9435-25/07010(AAD), 25 ft, 3/8 in ID, Industrial Interchange Fittings, High Pressure, 7000005374, 1 EA/Case 
Binks 72-1317, 5/16 in. Hose Fitting x 1/4 in. NPS Connection 
Insize 4168-8E, STEEL STANDARD BALLS, 5/16″, 6940561981469
$13.52
To measure angle and diameter of taper holes
Material: tool steel
Hardness: HRC63
Diameter accuracy:?.00012?
Roundness .00004″
Supplied with manufacturer inspection certificate.
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