“Quarry King” Single Idler
Belt Scale

Model 2RF-4A and 2RF-6A
Two Idler Belt Scales

Model 3RF-8A Three Idler
Belt Scale

Model 4RF-6AR Four Idler
Belt Scale

Models 6RF-6AR, 6RF-8AR Belt Scale

Models NAR 4 and NAR 6
NTEP Approved Belt Scales