I have always used a squirt of grease for the same function - slightly messy I suppose.I used a bit of insulation tape or masking tape. The magnetic things look good though, but for the amount I need them, don’t think I’ll get them.
I’ve just bought a set, £6.65 off eBay. My son can have them at Crimbo.I used a bit of insulation tape or masking tape. The magnetic things look good though, but for the amount I need them, don’t think I’ll get them.