Hillman Fasteners 811620 Galvanized Hex Bolt 1/2" x 3-1/2" - Box/25 Wall They also have a built-in

They also have a built-in thermostat with one dial control that makes using them easy

Hardened and tempered bow springs assure uniform tension without side play

optically clear

Residential Standard Certification: ANSI/BHMA A156

Finish : Brass

Hillman Fasteners 811620 Galvanized Hex Bolt 1/2" x 3-1/2" - Box/25 Wall They also have a built-in"HILLMAN" HEX BOLTS Size: 1 2" x 3 1 2" Finish: Hot Dip Galvanized. Thread Type: Coarse. Packaging: C Pak. Boxed Warning: This product can expose you to chemicals, including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www. P65Warnings. ca. gov.