Comprehensive kit of resilient, rectangle style concave and convex sanding blocks with hook-and-loop surfaces and a flexible tear drop sanding block. Features & Benefits:Comprehensive kit of resilient, rectangle style concave and convex sanding blocks with hook-and-loop surfaces and a flexible tear drop sanding block.Sizes: Sanding Blocks; RE4015 - Concave 90 x 155mm, RE4016 - Convex 85 x 155mm, RE4017 - Convex 90 x 160mm, RE4019 - Flexible Tear Drop 90 x 135mm, RE4020 - Concave 90 x 155mm, RE4022 - Convex Hook-and-Loop 90 x 150mm.Model No. RE40KIT Specifications: Model No RE40KIT Brand: Sealey Nett Weight: 0.460kg Size: Sanding Blocks; RE4015 - Concave 90 x 155mm, RE4016 - Convex 85 x 155mm, RE4017 - Convex 90 x 160mm, RE4019 - Flexible Tear Drop 90 x 135mm, RE4020 - Concave 90 x 155mm, RE4022 - Convex 90 x 150mm