Lead Impression Wire-0.025" w/2% SB - 1 Pound Spool (.635 mm) Clearance Checking

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

0.025"  Spool (.635 mm)  ~98% lead w/2% SB  for strength 

1 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 98%

Antimony 2%
Copper 0.0511%
Bismuth 0.0105%
Silver 0.0040%
Nickel 0.0002%
Zinc 0.0001%
Iron 0.0001%
Other Sn+Sn+As 0.0005%