Whitco Window Spiral Sash Balance 500 (775mm Tube Length) w/o Foot 7.25-10kg W615002017 Offset Barrel Bolts and is an ideal smoke

and is an ideal smoke seal for pivot door assemblies

Function:    Passage

Kilargo ISRG8090si Silicone compression gasket to suit IS8020

Door Thickness: 35mm to 45mm

Actual Body Length Excluding Foot: 445mm

Whitco Window Spiral Sash Balance 500 (775mm Tube Length) w/o Foot 7.25-10kg W615002017 Offset Barrel Bolts and is an ideal smokeWhitco Window Spiral Sash Balance W615002017 Important: 3 digit number in the title is NOT the length of the sash balance, please see below for measurements. Features: Fully sealed construction Oil tempered carbon steel torsion spring Zinc plated variable pitch spiral Metal zinc diecast fixing plug Tough ABS polymer outer casing available in Black Corrosion resistant stainless steel sash foot plate Comprehensive range of tube lengths and balance