Whitco Window Spiral Sash Balance 440 (673mm Tube Length) w/o Foot 7.25-10kg W614402017 Bifold Door Hardware creating a small lip for

creating a small lip for grasping

This is because the ball bearing reduces friction on the hinge and stops squeaking and wearing of the hinge

5mm staple diameter

Has Knob On Inside: No

Whitco Window Spiral Sash Balance 440 (673mm Tube Length) w/o Foot 7.25-10kg W614402017 Bifold Door Hardware creating a small lip forWhitco Window Spiral Sash Balance W614402017 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