Bore Cap Stainless Steel. 
10mm fully Cast 304 Stainless steel with built in lifting lugs to make your job of installing and servicing pumps a whole lot easier.It has a diameter of 7 inches so will suit most bores thread size comes in either 32mm (1 1/4"), 40mm (1 1/2"), or 50mm (2") if you could message what size thread you wanted upon ordering otherwise 32mm (1 1/4") will be sent.Included with every bore cap is a stainless steel eyebolt this means you can attach a safety rope with out it being exposed to the sunlight. Other wise you can use the traditional method of bringing wire rope up through the hole and round the lifting lug.This is the best bore cap on the market and if you are going to spend thousands on a pump don’t trust a cheaper made non-stainless steel Cap.All our Croak industries bore caps come with a lifetime warranty.