Multi-size 45 & 90 degree Triangle Ruler

Non slip multi size 45 degree-90 degree triangle for making half square and quarter square triangles from strips. This multi-sized ruler features easy to read black and white markings. The math required to cut these angles is incorporated into these markings.      This multi-sized ruler features two triangles in one.    Use the 45 degree side to cut half-square triangles from strips up to 5-1/2 inches wide, creating half-square triangles up to a finished size of 5 inches.   Use the 90 degree side to cut quarter triangles that finish up to a 5 inch finished quarter-square triangle. The math required to cut these angles is incorporated into the easy to read black and white markings.   The ruler slides easily over the fabric until pressure is applied. Then, our exclusive gripper holds the fabric in place while cutting, eliminating slipping and miss-cuts!   This multi-size 45 & 90 degree triangle ruler is made of acrylic material which is sturdy and durable.     Specificatio