A set of 10 solid brass Uk made gallery screws. Each screw measures 20mm total length, 16mm thread length, 3mm screw diameter and 8mm head diameter. 3/4 inch total length, 5/8 inch thread length, 0.1 inch thread diameter and 0.3 inch head diameter. Please look in our eBay shop for many more traditional, antique and contemporary ironmongery designs and fittings.