Lead Impression Wire-0.25 " 99.9% - 5 Pound Spool (6.35 mm) Clearance Checking

Lead Impression wire is the world standard in Precision Clearance Gauges for the measurement of clearance between fitted surfaces.

0.25"  Spool (6.35mm) 

5 Pound spool 

Extremely effective for measuring the clearance of a wide variety of bearing which include automotive/machine bearings, marine drive shaft bearings, turbine housing bearings, pump and pressure system bearings, as well as shaft end-float dimensions, flatness and clearance in pipe-flanges and cylinder heads.
SDS Sheet

Certification of Conformance aka Certs

ELEMENT
Lead 99.9324%
Copper 0.0511%
Bismuth 0.0105%
Silver 0.0040%
Nickel 0.0002%
Zinc 0.0001%
Iron 0.0001%
Other Sn+Sn+As 0.0005%