diff --git a/src/modules/rack/RackRenderer.ts b/src/modules/rack/RackRenderer.ts
index c6f1c52..9279bb4 100644
--- a/src/modules/rack/RackRenderer.ts
+++ b/src/modules/rack/RackRenderer.ts
@@ -256,11 +256,11 @@ export default class RackRenderer extends BaseRenderer {
     textureMaterial.wrapS = THREE.RepeatWrapping
     textureMaterial.wrapT = THREE.RepeatWrapping
 
-    const material = new THREE.MeshBasicMaterial() // new THREE.MeshPhongMaterial()
+    const material = new THREE.MeshPhongMaterial()
     material.alphaMap = textureHole
-    // material.normalMap = textureMaterial
+    material.normalMap = textureMaterial
     material.color.setHex(this.rackVerticalBarColor, 'srgb')
-    // material.specular.setHex(0xff6d6d6d, 'srgb')
+    material.specular.setHex(0xff6d6d6d, 'srgb')
     material.transparent = true
     material.needsUpdate = true
 
@@ -349,9 +349,9 @@ export default class RackRenderer extends BaseRenderer {
 
   createLinkBarMaterial(): THREE.Material {
 
-    const material = new THREE.MeshBasicMaterial() // new THREE.MeshPhongMaterial()
+    const material = new THREE.MeshPhongMaterial()
     material.color.setHex(this.rackLinkBarColor, 'srgb')
-    // material.specular.setHex(0xff6d6d6d, 'srgb')
+    material.specular.setHex(0xff6d6d6d, 'srgb')
     material.transparent = true
     material.needsUpdate = true
 
@@ -421,9 +421,9 @@ export default class RackRenderer extends BaseRenderer {
 
   createHorizontalBarMaterial(): THREE.Material {
 
-    const material = new THREE.MeshBasicMaterial() // new THREE.MeshPhongMaterial()
+    const material = new THREE.MeshPhongMaterial()
     material.color.setHex(this.rackHorizontalBarColor, 'srgb')
-    // material.specular.setHex(0xff6d6d6d, 'srgb')
+    material.specular.setHex(0xff6d6d6d, 'srgb')
     material.transparent = true
     material.needsUpdate = true