since the heavy-duty ball bearing drawer slides are rated at 250 lbs

The 390S is an updated

Specifications: 1/4 in NPT

Sturdy bottom shelf

hose so your ready to go

Tiger Lifting TCB-0050-20 0.5 ton Capacity 20-ft Std. Lift Premium Chain Block TCB with Overload Protection 5-3-cfm since the heavy-duty ball bearingThe TCB is manufactured from the highest quality steel materials, offering a lightweight, compact and rugged construction, producing an exceptionally strong product resistant to impact damage. The exceptional short head room allows for easy installation. Using only the highest quality materials precisely machined in our own factory, the TCB is the ideal block for long term use with less maintenance and servicing costs. DNV GL Verification tested