π§ No more socket extensions rolling loose in your drawers! π§ Magnetic Socket Extension Holders 3D printed with eco-friendly PLA plastic. Magnets are strong enough to hold firmly in standard metal tool chests even with a liner. Extensions will stay secure in the holder from the magnets and a strip of non-slip material along the centre of the holder. Perfect for mechanics/DIY enthusiasts! Full sets contain: 1 x 20mm Holder, 1 x 50mm Holder, 1 x 100mm Holder, 1 x 200mm Holder Dimensions: 1/4β - H 11mm x L 20mm x W 12mm 1/4β - H 11mm x L 50mm x W 12mm 1/4β - H 11mm x L 100mm x W 12mm 1/4β - H 11mm x L 200mm x W 12mm (Holds extension shafts up to 9mm diameter) 3/8β - H 13mm x L 20mm x W 16mm 3/8β - H 13mm x L 50mm x W 16mm 3/8β - H 13mm x L 100mm x W 16mm 3/8β - H 13mm x L 200mm x W 16mm (Holds extension shafts up to 13mm diameter) 1/2β - H 18mm x L 20mm x W 20mm 1/2β - H 18mm x L 50mm x W 20mm 1/2β - H 18mm x L 100mm x W 20mm 1/2β - H 18mm x L 100mm x W 20mm (Holds extension shafts up to 17mm diameter)