Options: A: 1/4*1/2*11. B: 1/4*1/2*20. C: 1/4*1/2*25. D: 6*1/2*11. E:6*1/2*20. F: 6*1/2*25. G: 3pcs 1/4 shank set. H: 3pcs 6mm shank set. Feature: -Using for hand making a drawer or other woodworking. -Industrial quality router bits. -Solid hardened steel bodies with anti-recoil design. -Build-up; heat resistant coating. -Hook; Shear Angles: High hook; shear angles allow. -Cutters to slice smoothly into stock producing clean, splinters free. -Bearing: Totally enclosed; lubricated. Specification: Weight: 22g, 27g, 30g, 3 piece set 79g. Name: Bearing straight knife. Material: Blade YG8 alloy, body 45 carbon steel, plastic sprayed surface. Product size: As the picture. Packing size: 17mm*17mm*90mm. Uses: used for wood slotting and trimming. Packing: plastic box. Note: The 1/4 handle is mainly used in the United States, Britain, France and other European and American countries, and the 6mm handle is mainly used in Russia, Germany, Spain, Pakistan, and other countries. Package Included: 1/3 X Router Bit (Optional)