MASTECH MS6310 Combustible Gas Detector 10%-40% for Methane Solid State easy to use $99.98 B00BXEIO1E
Aidetek Sharp Stainless Steel Needle Tipped Tip Multimeter Probes Test Leads 4 Fluke Tester 600v 1a 4mm Socket + Banana Plug Test Leads Red Black $8.99 B011FO6CGA