Super grip is a strong clip-on spacer used in heavy duty applications
such as foundations, and base plate construction. It firmly clamps
reinforcement bars up to 32 mm. diameter and avoids bar
offer more advantage over lighter duty spacers and are less used in
quantity making the cages more secure. They may be used either
horizontally or vertically. Spacers: F137, F138, F106 and F139 are used
in slabs, and beams etc. andF11 is used in foundations. Note: F139 can
be used in foundation as well.