4 Pack black control knobs replacement with 12 adapters for oven/ stove/ range Features: Made of quality material ABS plastic, these knobs and adapters have been well inspected and test by manufacturer. Work with: Works with many brand stove, range and oven, great for RVs, campers, camping appliances, etc. Specifications: Material: ABS plastic Quantity: 16 pieces Color: black Knob diameter: approx. 1.57 inch/ 40 mm Knob height: 1.1 inch/ 28 mm Insert knob diameter: 0.43 inch/ 11 mm Inner diameter of adapters: short small hole adapter and Long small hole adapter: approx. 0.22 inch/5.5mm, 0.18inch/4.5mm short big hole adapter?approx. 0.3 inch/7.5mm,0.26inch/6.5mm Height of adapter: short adapter: approx. 0.55 inch/14 mm. Long adapter: approx. 1.06 inch/27 mm Package includes: 4 x Black control knob 4 x Long small hole adapters 4 x Short small hole adapters and 4 x Short big hole adapters Warm note: The size of the shaft in your stove or oven should match the D posts inside diameter of our control knob, only works under this condition. Please make sure the insert size is suitable for your machine before purchasing. Strengthen the monitoring of testing link to ensure the quality of products, then to send to customers.