Tension Floor Blocks

Used as the return pulley for the hand line in J-Guide or T-bar manual counterweight sets
Minimum 40 lb (18.14 kg) weight to properly tension the hand line
Kick tab permits easy readjustment of the block
ASTM Class 30 grey iron sheave
Sealed precision ball bearings
Steel shoes
Special grooves and shoe sizes available, consult factory
Also known as “Welch” tension blocks, after the J. R. Clancy employee who developed the block in 1925

Product Code	Sheave Diameter	Groove	Set Centers	Weight
600-11015C75	10″ (254 mm)	3/4″ (19 mm)	6″ or 8″ (152.4 mm or 203.2 mm)	41 lb (18.6 kg)
600-11015C75U	10″ (254 mm)	3/4″ (19 mm)	Less than 6″ (152.4 mm) (specify centers)	43 lb (19.5 kg)
600-11215C75	12″ (304.8 mm)	3/4″ (19 mm)	6″ or 8″ (152.4 mm or 203.2 mm)	48 lb (21.8 kg)
600-11015C100	10″ (254 mm)	1″ (25.4 mm)	6″ or 8″ (152.4 mm or 203.2 mm)	41 lb (18.6 kg)
600-11015C100U	10″ (254 mm)	1″ (25.4 mm)	Less than 6″ (152.4 mm) (specify centers)	43 lb (19.5 kg)
600-11215C100	12″ (304.8 mm)	1″ (25.4 mm)	6″ or 8″ (152.4 mm or 203.2 mm)	48 lb (21.8 kg)

Please call your Wenger | J.R. Clancy representative so we can thoroughly understand your needs in order to provide the best solution and estimate.