HN02|Teng 10in Nut Rivet Gun For use in construction and industrial applications. Fitted with drawing punches and nose bushes for four different blind rivet nuts. Sizes: M3 M4 M5 & M6 Aluminium alloy forged steel upper handle with heat treated jaws Quick change lockable threaded mandrels Mandrels for M3 M4 M5 and M6 included Comfortable PVC grip