Search query: block and tackle pulley system

Product: NEIKO 02182A Manual Chain Hoist | 1 Ton/2000 Lbs Capacity | 15’ Lift | 2 Hooks | Manual Hand Lift Steel Chain Block [HEAVY DUTY]: This manual hand lift steel chain hoist features a 1 ton (2000 lbs) load capacity utilizing a 20MN2 premium alloy steel chain pulley hoist system with a black oxide coat finish.
[LOAD BRAKE]: Hoist includes a mechanical load brake when lifting up to 15’ to keep the suspended load from slipping back and its application is ideal for high vertical lifts of loads.
[SECURE]: Swivel hook is connected to the steel chain to safely latch on to your objects and secure them firmly.
LOAD [DESIGN]: The chain hoist moves over a sprocket to eliminate lateral movement and easily achieve a vertical lift without any required electricity or power source providing portability.: Comes with a mechanical load brake and 45# steel gears so youÕll always be in control when lifting or spotting
[VERSATILE]: Ideal for construction professionals at industrial worksites or other job applications such as automotive garages, workshops, farms, warehouses, and more. Neiko

Product: BIG RED TR9010 Torin Manual Hand Lift Steel Chain Block Hoist with 2 Hooks, 1 Ton (2,000 lb) Capacity, Red Manual hand lift chain block hoist features a 1 ton (2,000 lb) load capacity and is fitted with a mechanical load brake that allows for precise operation
1/4" diameter chains are constructed from premium 20Mn2 alloy steel with a black oxide finish for added resistance from corrosion and grime; Load-sharing gears makes lifting heavy loads easy
Equipped with (2) heavy-duty steel hooks with a safety latch clasp that rotate a full 360-degrees without twisting and bending; Rotating components are mounted on roller ball bearings to reduce friction and increase efficiency
Ideal for industrial settings and job applications such as factories, construction sites, garages, workshops, warehouses, farms, docks, wharves, and mines BIG RED Red

Product: 006458 Hunters Specialties Game Hoist Lift System 600# 00645, Multi, 600 lb. 4-pulley system
Features 40' tangle free rope
Rated to 600 pounds
Hoist & gambrel combo
4:1 lift ratio Hunters Specialties Multi