Inserts for Square Tubes with M10 Metal Thread. Made in Germany (Black, 30x30mm, Pack of 4).See 2nd Image Dimensions

Plastic ribbed inserts for square tubes. M10 metal thread at the centre. Use on metal tubes or furniture feet. Ideal when screw-in adjustable feet are required. Domestic and commercial use. Industrial shelving, metal frames, metal furniture, school chairs, stacking chairs etc… Please measure the outer diameter of your tube. Suitable for tubes with a wall thickness of 1.5mm-2mm. Please see the second image for measuring guide. Available in various sizes. Sold in packs of 4, 8, 12, 24, 36, 48.