Lazy Tongue Riveter A heavy duty riveter designed for repetitive work. During installation the lattice mechanism increases driving force, reducing work time and effort. Ideal for professional use such as engineering, mechanics, roofing construction and more. Powder coated for a long lasting and durable finish. Supplied with 5 nose pieces (to suit 3.0, 3.2, 4.0, 4.8 & 5.4mm rivets) and a nose piece spanner.