Chair Mat - 3835690 Standard Keyhole mat

To help protect carpet  from damage caused by chair castors.  Also helps the chair to move more freely from a sitting position. - Please ensure you do the pin test.

3835690 - 112 x 132mm keyhole - for Carpet up to 12ml Thick

Pin Test
To correctly specify chairmats for carpets, measure carpet thickness by pressing a pin through the carpet and underlay until ti reaches the floor and then measure the dept.  Use the following guidelines to recommend the correct mat.