3/4" 100/120 Standard grit grinder head. Complete with Allen keys. 
This Advert is for five Brand new stock grinder head 
These heads can be used with all types of recognized grinders Please note that we are one of the countries leading stained glass material suppliers and have been selling items for over 25 years to trade and retail customers. As well as buying from us with confidence we can support you with technical information on all of the items we sell. We are the oldest largest supplier and stockist of Heaps Arnold and Heaps Lead  came and can supply in single length or boxed quantities. We stock over 30 different lead sections to cater for all professional requirements
PLEASE NOTE THAT 1/4" and 1/8" heads also available upon request