Specifically designed for thin walled synthetic hoses, it has two positions or settings for different hose wall thickness 1/4” or 1/8” (6 or 3 mm). Replaceable rubber shoe prevents damage to hose. Light, corrosion resistant alloy. 11 1/2” (29 cm) long. 1.5 lbs (682 g).
Can be carried in belt pouch FA-149. The B-5420 models have two “settings” that are designed to accommodate hose clamping for hoses of different thickness (single-jacket, double-jacket, etc).
 
One setting “squeezes tighter” than the other.