These Flexible Cane Balls Are Ideal Connectors For Bamboo Canes With Tapered Holes To Accommodate All Standard Bamboo Sizes To Make Simple Crop Protection Cages & Frames.easy To Use & Durable These Cane Balls Are A Simple Way To Fashion Crop Cages Which Can Be Covered In Suitable Netting, Insect Mesh, Polythene Or Fleece. supplied As Pack Of 1011mm Holestapered Holes To Accommodate Standard Bamboo Sizesconnectors To Make Simple Crop Cagesdurable Design