Studymate 60cm Plastic T-Square This Studymate Plastic T-Square is perfect for ruling, graphing and drafting. This double-sided T-Square has clear Perspex on both sides which means it can be used by either left or right handers. The ruler length is 60 cm long. Studymate 21cm 45 Degrees Set Square This Studymate Set Square is perfect for all artists, designers, architects and mathematicians. It has been designed with a tracing edge that will let you use it with fine, mechanical pencil lead and ink. This set square has been made from durable plastic and has measurements up to 12 cm in 1 cm increments. Studymate 21cm 60 Degrees Set Square This Studymate Set Square is perfect for all artists, designers, architects and mathematicians. It has been designed with a tracing edge that will let you use it with fine, mechanical pencil lead and ink. This set square has been made from durable plastic and has measurements up to 18 cm in 1 cm increments. Studymate 26cm 45 Degrees Set Square This Studymate Set Square is perfect for all artists, designers, architects and mathematicians. It has been designed with a tracing edge that will let you use it with fine, mechanical pencil lead and ink. This set square has been made from durable plastic and has measurements up to 17 cm in 1 cm increments. Studymate 26cm 60 Degrees Set Square This Studymate Set Square is perfect for all artists, designers, architects and mathematicians. It has been designed with a tracing edge that will let you use it with fine, mechanical pencil lead and ink. This set square has been made from durable plastic and has measurements up to 23 cm in 1 cm increments. Studymate 32cm 45 Degrees Set Square This Studymate Set Square is perfect for all artists, designers, architects and mathematicians. It has been designed with a tracing edge that will let you use it with fine, mechanical pencil lead and ink. This set square has been made from durable plastic and has measurements up to 20 cm in 1 cm increments. Studymate 32cm 60 Degrees Set Square This Studymate Set Square is perfect for all artists, designers, architects and mathematicians. It has been designed with a tracing edge that will let you use it with fine, mechanical pencil lead and ink. This set square has been made from durable plastic and has measurements up to 29 cm in 1 cm increments. Studymate Antimicrobial 45-degree Set Square This Studymate Antimicrobial 45-Degree Set is essential for your pencil case or desk. It is perfect for numeracy and art projects. Studymate Antimicrobial 60-degree Set Square This Studymate Antimicrobial 60-Degree Set is essential for your pencil case or desk. It is perfect for numeracy and art projects.