8 straps: each pair of shoes comes with 8 newly improved metal buckle straps to ensure that the lawn aerator does not loosen during use. Quick to use: lawn care without bulky, heavy and electrical devices; simply buckle under your shoes and off you go; garden supplies that take up little space STURDY STEEL NAILS - 26 screws penetrate deep into soil in the garden or allotment; 5.5 cm length for soil loosening; Nutrients, water and fertiliser reach to the roots Practical one size fits all: shoes can be flexibly adjusted to a shoe size 37 to 48; the whole family can thus support gardening Secure hold and durable: aerator made of metal and plastic; robust yet easy to carry, so that lawn care is comfortable, at the same time movement that is good for the body