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KN95 Respirator Mask, 4 layers, Box of 50 -LP-KN95-001BOX50
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Support foundational learning in physics, chemistry, and general science with durable and easy-to-handle education weights. These weights come in a variety of sizes and sets to illustrate mass, balance, and force concepts, and are ideal for classroom use with pan balances, digital scales, and teaching kits. Contact us at 888-4-LABPRO (888-452-2776) for competitive bulk pricing, with next-day service in California and same-day service for will-calls.
Weights & Masses
Weight 1P ECON Flat 200mg CL7 NonAcrd TR - 30391031
$39.10Weight 1P ECON Flat 200mg CL7 NonAcrd TR - 30391031ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 1P ECON Flat 500mg CL7 NonAcrd TR - 30391030
$55.00Weight 1P ECON Flat 500mg CL7 NonAcrd TR - 30391030ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 1P ECON CYL 1g CL7 Non-Accrd TR - 30391029
$54.00Weight 1P ECON CYL 1g CL7 Non-Accrd TR - 30391029ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 1P ECON CYL 2g CL7 Non-Accrd TR - 30391028
$54.00Weight 1P ECON CYL 2g CL7 Non-Accrd TR - 30391028ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 1P ECON CYL 5g CL7 Non-Accrd TR - 30391027
$54.00Weight 1P ECON CYL 5g CL7 Non-Accrd TR - 30391027ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 1P ECON CYL 10g CL7 Non-Accrd TR - 30391026
$54.00Weight 1P ECON CYL 10g CL7 Non-Accrd TR - 30391026ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 1P ECON CYL 20g CL7 Non-Accrd TR - 30391025
$54.00Weight 1P ECON CYL 20g CL7 Non-Accrd TR - 30391025ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 1P ECON CYL 50g CL7 Non-Accrd TR - 30391024
$56.00Weight 1P ECON CYL 50g CL7 Non-Accrd TR - 30391024ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 1P ECON CYL 100g CL7 Non-Accrd TR - 30391023
$58.00Weight 1P ECON CYL 100g CL7 Non-Accrd TR - 30391023ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 2P ECON CYL 200g CL7 Non-Accrd TR - 30391022
$64.00Weight 2P ECON CYL 200g CL7 Non-Accrd TR - 30391022ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 2P ECON CYL 500g CL7 Non-Accrd TR - 30391021
$110.00Weight 2P ECON CYL 500g CL7 Non-Accrd TR - 30391021ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 2P ECON CYL 1000g CL7 NonAcrd TR - 30391020
$197.00Weight 2P ECON CYL 1000g CL7 NonAcrd TR - 30391020ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 2P ECON CYL 2000g CL7 NonAcrd TR - 30391019
$279.00Weight 2P ECON CYL 2000g CL7 NonAcrd TR - 30391019ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin finish...
Weight 1P ECON Flat 1mg CL7 No Cert TR - 30391018
$25.00Weight 1P ECON Flat 1mg CL7 No Cert TR - 30391018ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin...
Weight 1P ECON Flat 2mg CL7 No Cert TR - 30391017
$26.00Weight 1P ECON Flat 2mg CL7 No Cert TR - 30391017ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin...
Weight 1P ECON Flat 5mg CL7 No Cert TR - 30391016
$26.00Weight 1P ECON Flat 5mg CL7 No Cert TR - 30391016ASTM Class 7 Calibration Weights and Sets are constructed of durable stainless steel and aluminum and all surfaces are satin...
