This is the Economy Light Duty Knife with Safety Cap from Revell. Suitable for Ages 14 & Up. FEATURES: For trimming and cutting light weight materials Plastic handle with aluminum collet Plastic safety cap included INCLUDES: Economy light duty knife with plastic safety cap SPECS: Length: 5.75" (146mm) including blade Handle Diameter: 0.31" (8mm) jxs 12/29/09 ir/jxs updated tlc 3/28/13