Rotary Equipment We carry a full line of OmniGrid rulers, in various sizes for your precision measuring needs. We carry a full line of OmniMat self-healing rotary cutting mats, in various sizes for your fabric cutting needs. We carry a full line of Olfa rotary cutters, in 3 blade sizes (28mm, 45mm, and 60mm). We also carry replacement blades in both single and multiple packs, as well as wavy and pinking blades. Check out the ergonomically designed Deluxe Rotarty cutter with the 'safety lock' feature.