Lewmar Single Swivel Block Pulley – 1/2” Sheave Humphries IOR used The hole is 4 7/8"

The hole is 4 7/8" diameter

It measures 20” long x 17 7/8” wide x 10” tall

2 hole mounting (4") Great shape

It measures 6 3/4” long x 2” wide x 1 1/8” tall (this is without the base)

Lewmar Single Swivel Block Pulley – 1/2” Sheave Humphries IOR used The hole is 4 7/8"Description: Lewmar single sailboat block with swivel shackle. Overall length: approximately 3 Width: approximately 2 Sheave width: approximately 1 2 Composite cheeks with stainless steel strap Swiveling shackle attachment Spins smoothly Normal cosmetic wear from marine use Great for sailboat running rigging, control lines, sheets, and general deck hardware applications. Sold as shown.