High-performance end controls allow the installation of 2:1 to 4:1 purchases. Designed for high-performance, free-running systems, Carbo control blocks with Delrin® ball bearings let cars instantly adjust and release under load.
Sold in Pairs.

Sheave Ø (mm)
29 mm

Sheave Ø (in)
1 1/8 in

Length (mm)
87 mm

Length (in)
3 7/16 in

Width (mm)
80 mm

Width (in)
3 1/8 in

Height above track (mm)
41 mm

Height above track (in)
1 5/8 in

Weight for pair (g)
370 g

Weight for pair (oz)
13 oz

Maximum line Ø (mm)
6 mm

Maximum line Ø (in)
1/4 in

Maximum working load (kg)
272 kg

Maximum working load (lb)
600 lb

Breaking load (kg)
544 kg

Breaking load (lb)
1200 lb

3:1 / 4:1