The cylinder is made of recycled plastic material and available delivered in bags of 50 pieces.
The New Cylinder works with all the range of actual screw spacers:
Linear spacer Screw for 1, 1.5, 2, 2.5, 3, 4 mm grout joints.
Cross spacer Screw for 1, 2, 3 mm grout joints.
T spacer Screw for 1, 2, 3 mm grout joints.